Merge pull request #105 from pointhi/template_oscar

new template: oscar
2024-01-01 18:24:07 +00:00 · 2014-11-11 09:36:39 +01:00 · 2014-11-11 09:36:39 +01:00 · 0d80d5d3b4
commit 0d80d5d3b4
parent b422788eb4 25312c53e1
154 changed files with 12020 additions and 199 deletions
--- a/2
+++ b/2
@ -45,6 +45,8 @@ minimal: bin/buildout minimal.cfg setup.py
 styles:
 	@lessc -x searx/static/default/less/style.less > searx/static/default/css/style.css
 	@lessc -x searx/static/oscar/less/bootstrap/bootstrap.less > searx/static/oscar/css/bootstrap.min.css
 	@lessc -x searx/static/oscar/less/oscar/oscar.less > searx/static/oscar/css/oscar.min.css
 locales:
 	@pybabel compile -d searx/translations
--- a/searx/engines/youtube.py
+++ b/searx/engines/youtube.py
@ -69,11 +69,7 @@ def response(resp):
        if result['media$group']['media$thumbnail']:
            thumbnail = result['media$group']['media$thumbnail'][0]['url']
            content += '<a href="{0}" title="{0}" ><img src="{1}" /></a>'.format(url, thumbnail)  # noqa
        if content:
            content += '<br />' + result['content']['$t']
        else:
        content = result['content']['$t']
        # append result
--- a/searx/static/courgette/img/icon_dailymotion.ico
+++ b/searx/static/courgette/img/icon_dailymotion.ico
--- a/searx/static/courgette/img/icon_deviantart.ico
+++ b/searx/static/courgette/img/icon_deviantart.ico
--- a/searx/static/default/img/icon_dailymotion.ico
+++ b/searx/static/default/img/icon_dailymotion.ico
--- a/searx/static/default/img/icon_deviantart.ico
+++ b/searx/static/default/img/icon_deviantart.ico
--- a/searx/static/oscar/css/bootstrap.min.css
+++ b/searx/static/oscar/css/bootstrap.min.css
--- a/searx/static/oscar/css/oscar.min.css
+++ b/searx/static/oscar/css/oscar.min.css
@ -0,0 +1,17 @@
 html{position:relative;min-height:100%}
 body{margin-bottom:80px}
 .footer{position:absolute;bottom:0;width:100%;height:60px}
 input[type=checkbox]:checked~.label_hide_if_checked{display:none}
 input[type=checkbox]:not(:checked)~.label_hide_if_not_checked{display:none}
 .result-default{clear:both}
 .result-images{float:left !important}
 .img-thumbnail{margin:5px;max-height:128px;min-height:128px}
 .result-videos{clear:both}
 .result-torrents{clear:both}
 .suggestion_item{margin:2px 5px}
 .result_download{margin-right:5px}
 #pagination{margin-top:30px;padding-bottom:50px}
 .infobox .infobox_part{margin-bottom:20px}
 .infobox .infobox_part:last-child{margin-bottom:0}
 .search_categories{margin:10px 0;text-transform:capitalize}
 .cursor-text{cursor:text !important}
--- a/searx/static/oscar/fonts/glyphicons-halflings-regular.eot
+++ b/searx/static/oscar/fonts/glyphicons-halflings-regular.eot
--- a/searx/static/oscar/fonts/glyphicons-halflings-regular.svg
+++ b/searx/static/oscar/fonts/glyphicons-halflings-regular.svg
@ -0,0 +1,229 @@
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--- a/searx/static/oscar/fonts/glyphicons-halflings-regular.ttf
+++ b/searx/static/oscar/fonts/glyphicons-halflings-regular.ttf
--- a/searx/static/oscar/fonts/glyphicons-halflings-regular.woff
+++ b/searx/static/oscar/fonts/glyphicons-halflings-regular.woff
--- a/searx/static/oscar/img/favicon.png
+++ b/searx/static/oscar/img/favicon.png
--- a/searx/static/oscar/img/icons/README.md
+++ b/searx/static/oscar/img/icons/README.md
@ -0,0 +1,2 @@
 Source: http://www.iconspedia.com/pack/flat-gradient-social-icons-4384/
 License: Free for non commercial use.
--- a/searx/static/oscar/img/icons/amazon.png
+++ b/searx/static/oscar/img/icons/amazon.png
--- a/searx/static/oscar/img/icons/dailymotion.png
+++ b/searx/static/oscar/img/icons/dailymotion.png
--- a/searx/static/oscar/img/icons/deviantart.png
+++ b/searx/static/oscar/img/icons/deviantart.png
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--- a/searx/static/oscar/img/icons/flickr.png
+++ b/searx/static/oscar/img/icons/flickr.png
--- a/searx/static/oscar/img/icons/github.png
+++ b/searx/static/oscar/img/icons/github.png
--- a/searx/static/oscar/img/icons/soundcloud.png
+++ b/searx/static/oscar/img/icons/soundcloud.png
--- a/searx/static/oscar/img/icons/stackoverflow.png
+++ b/searx/static/oscar/img/icons/stackoverflow.png
--- a/searx/static/oscar/img/icons/twitter.png
+++ b/searx/static/oscar/img/icons/twitter.png
--- a/searx/static/oscar/img/icons/vimeo.png
+++ b/searx/static/oscar/img/icons/vimeo.png
--- a/searx/static/oscar/img/icons/wikipedia.png
+++ b/searx/static/oscar/img/icons/wikipedia.png
--- a/searx/static/oscar/img/icons/youtube.png
+++ b/searx/static/oscar/img/icons/youtube.png
--- a/searx/static/oscar/img/searx_logo.png
+++ b/searx/static/oscar/img/searx_logo.png
--- a/searx/static/oscar/js/bootstrap.min.js
+++ b/searx/static/oscar/js/bootstrap.min.js
--- a/searx/static/oscar/js/html5shiv.min.js
+++ b/searx/static/oscar/js/html5shiv.min.js
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+++ b/searx/static/oscar/js/jquery-1.11.1.min.js
--- a/searx/static/oscar/js/respond.min.js
+++ b/searx/static/oscar/js/respond.min.js
@ -0,0 +1,5 @@
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--- a/searx/static/oscar/js/scripts.js
+++ b/searx/static/oscar/js/scripts.js
@ -0,0 +1,64 @@
 /**
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 | |__   ___   ___ | |_ ___| |_ _ __ __ ___  __
 | '_ \ / _ \ / _ \| __/ __| __| '__/ _` \ \/ /
 | |_) | (_) | (_) | |_\__ | |_| | | (_| |>  < 
 |_.__/ \___/ \___/ \__|___/\__|_|  \__,_/_/\_\.js
 */
 if(searx.autocompleter) {
    searx.searchResults = new Bloodhound({
        datumTokenizer: Bloodhound.tokenizers.obj.whitespace('value'),
        queryTokenizer: Bloodhound.tokenizers.whitespace,
        remote: '/autocompleter?q=%QUERY'
    });
    searx.searchResults.initialize();
 }
 $(document).ready(function(){
    $('.btn-toggle .btn').click(function() {
        var btnClass = 'btn-' + $(this).data('btn-class');
        var btnLabelDefault = $(this).data('btn-label-default');
        var btnLabelToggled = $(this).data('btn-label-toggled');
        if(btnLabelToggled != '') {
            if($(this).hasClass('btn-default')) {
                var html = $(this).html().replace(btnLabelDefault, btnLabelToggled);
            } else {
                var html = $(this).html().replace(btnLabelToggled, btnLabelDefault);
            }
            $(this).html(html);
        }
        $(this).toggleClass(btnClass);
        $(this).toggleClass('btn-default');
    });
    $('.btn-collapse').click(function() {
        var btnTextCollapsed = $(this).data('btn-text-collapsed');
        var btnTextNotCollapsed = $(this).data('btn-text-not-collapsed');
        if(btnTextCollapsed != '' && btnTextNotCollapsed != '') {
            if($(this).hasClass('collapsed')) {
                var html = $(this).html().replace(btnTextCollapsed, btnTextNotCollapsed);
            } else {
                var html = $(this).html().replace(btnTextNotCollapsed, btnTextCollapsed);
            }
            $(this).html(html);
        }
    });
    $(".select-all-on-click").click(function () {
        $(this).select();
    });
    if(searx.autocompleter) {
        $('#q').typeahead(null, {
            name: 'search-results',
            displayKey: function(result) {
                return result;
            },
            source: searx.searchResults.ttAdapter()
        });
    }
 });  
--- a/searx/static/oscar/js/typeahead.bundle.min.js
+++ b/searx/static/oscar/js/typeahead.bundle.min.js
--- a/searx/static/oscar/less/bootstrap/.csscomb.json
+++ b/searx/static/oscar/less/bootstrap/.csscomb.json
@ -0,0 +1,297 @@
 {
  "always-semicolon": true,
  "block-indent": 2,
  "colon-space": [0, 1],
  "color-case": "lower",
  "color-shorthand": true,
  "combinator-space": true,
  "element-case": "lower",
  "eof-newline": true,
  "leading-zero": false,
  "remove-empty-rulesets": true,
  "rule-indent": 2,
  "stick-brace": " ",
  "strip-spaces": true,
  "unitless-zero": true,
  "vendor-prefix-align": true,
  "sort-order": [
    [
      "position",
      "top",
      "right",
      "bottom",
      "left",
      "z-index",
      "display",
      "float",
      "width",
      "min-width",
      "max-width",
      "height",
      "min-height",
      "max-height",
      "-webkit-box-sizing",
      "-moz-box-sizing",
      "box-sizing",
      "-webkit-appearance",
      "padding",
      "padding-top",
      "padding-right",
      "padding-bottom",
      "padding-left",
      "margin",
      "margin-top",
      "margin-right",
      "margin-bottom",
      "margin-left",
      "overflow",
      "overflow-x",
      "overflow-y",
      "-webkit-overflow-scrolling",
      "-ms-overflow-x",
      "-ms-overflow-y",
      "-ms-overflow-style",
      "clip",
      "clear",
      "font",
      "font-family",
      "font-size",
      "font-style",
      "font-weight",
      "font-variant",
      "font-size-adjust",
      "font-stretch",
      "font-effect",
      "font-emphasize",
      "font-emphasize-position",
      "font-emphasize-style",
      "font-smooth",
      "-webkit-hyphens",
      "-moz-hyphens",
      "hyphens",
      "line-height",
      "color",
      "text-align",
      "-webkit-text-align-last",
      "-moz-text-align-last",
      "-ms-text-align-last",
      "text-align-last",
      "text-emphasis",
      "text-emphasis-color",
      "text-emphasis-style",
      "text-emphasis-position",
      "text-decoration",
      "text-indent",
      "text-justify",
      "text-outline",
      "-ms-text-overflow",
      "text-overflow",
      "text-overflow-ellipsis",
      "text-overflow-mode",
      "text-shadow",
      "text-transform",
      "text-wrap",
      "-webkit-text-size-adjust",
      "-ms-text-size-adjust",
      "letter-spacing",
      "-ms-word-break",
      "word-break",
      "word-spacing",
      "-ms-word-wrap",
      "word-wrap",
      "-moz-tab-size",
      "-o-tab-size",
      "tab-size",
      "white-space",
      "vertical-align",
      "list-style",
      "list-style-position",
      "list-style-type",
      "list-style-image",
      "pointer-events",
      "cursor",
      "visibility",
      "zoom",
      "flex-direction",
      "flex-order",
      "flex-pack",
      "flex-align",
      "table-layout",
      "empty-cells",
      "caption-side",
      "border-spacing",
      "border-collapse",
      "content",
      "quotes",
      "counter-reset",
      "counter-increment",
      "resize",
      "-webkit-user-select",
      "-moz-user-select",
      "-ms-user-select",
      "-o-user-select",
      "user-select",
      "nav-index",
      "nav-up",
      "nav-right",
      "nav-down",
      "nav-left",
      "background",
      "background-color",
      "background-image",
      "-ms-filter:\\'progid:DXImageTransform.Microsoft.gradient",
      "filter:progid:DXImageTransform.Microsoft.gradient",
      "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader",
      "filter",
      "background-repeat",
      "background-attachment",
      "background-position",
      "background-position-x",
      "background-position-y",
      "-webkit-background-clip",
      "-moz-background-clip",
      "background-clip",
      "background-origin",
      "-webkit-background-size",
      "-moz-background-size",
      "-o-background-size",
      "background-size",
      "border",
      "border-color",
      "border-style",
      "border-width",
      "border-top",
      "border-top-color",
      "border-top-style",
      "border-top-width",
      "border-right",
      "border-right-color",
      "border-right-style",
      "border-right-width",
      "border-bottom",
      "border-bottom-color",
      "border-bottom-style",
      "border-bottom-width",
      "border-left",
      "border-left-color",
      "border-left-style",
      "border-left-width",
      "border-radius",
      "border-top-left-radius",
      "border-top-right-radius",
      "border-bottom-right-radius",
      "border-bottom-left-radius",
      "-webkit-border-image",
      "-moz-border-image",
      "-o-border-image",
      "border-image",
      "-webkit-border-image-source",
      "-moz-border-image-source",
      "-o-border-image-source",
      "border-image-source",
      "-webkit-border-image-slice",
      "-moz-border-image-slice",
      "-o-border-image-slice",
      "border-image-slice",
      "-webkit-border-image-width",
      "-moz-border-image-width",
      "-o-border-image-width",
      "border-image-width",
      "-webkit-border-image-outset",
      "-moz-border-image-outset",
      "-o-border-image-outset",
      "border-image-outset",
      "-webkit-border-image-repeat",
      "-moz-border-image-repeat",
      "-o-border-image-repeat",
      "border-image-repeat",
      "outline",
      "outline-width",
      "outline-style",
      "outline-color",
      "outline-offset",
      "-webkit-box-shadow",
      "-moz-box-shadow",
      "box-shadow",
      "filter:progid:DXImageTransform.Microsoft.Alpha(Opacity",
      "-ms-filter:\\'progid:DXImageTransform.Microsoft.Alpha",
      "opacity",
      "-ms-interpolation-mode",
      "-webkit-transition",
      "-moz-transition",
      "-ms-transition",
      "-o-transition",
      "transition",
      "-webkit-transition-delay",
      "-moz-transition-delay",
      "-ms-transition-delay",
      "-o-transition-delay",
      "transition-delay",
      "-webkit-transition-timing-function",
      "-moz-transition-timing-function",
      "-ms-transition-timing-function",
      "-o-transition-timing-function",
      "transition-timing-function",
      "-webkit-transition-duration",
      "-moz-transition-duration",
      "-ms-transition-duration",
      "-o-transition-duration",
      "transition-duration",
      "-webkit-transition-property",
      "-moz-transition-property",
      "-ms-transition-property",
      "-o-transition-property",
      "transition-property",
      "-webkit-transform",
      "-moz-transform",
      "-ms-transform",
      "-o-transform",
      "transform",
      "-webkit-transform-origin",
      "-moz-transform-origin",
      "-ms-transform-origin",
      "-o-transform-origin",
      "transform-origin",
      "-webkit-animation",
      "-moz-animation",
      "-ms-animation",
      "-o-animation",
      "animation",
      "-webkit-animation-name",
      "-moz-animation-name",
      "-ms-animation-name",
      "-o-animation-name",
      "animation-name",
      "-webkit-animation-duration",
      "-moz-animation-duration",
      "-ms-animation-duration",
      "-o-animation-duration",
      "animation-duration",
      "-webkit-animation-play-state",
      "-moz-animation-play-state",
      "-ms-animation-play-state",
      "-o-animation-play-state",
      "animation-play-state",
      "-webkit-animation-timing-function",
      "-moz-animation-timing-function",
      "-ms-animation-timing-function",
      "-o-animation-timing-function",
      "animation-timing-function",
      "-webkit-animation-delay",
      "-moz-animation-delay",
      "-ms-animation-delay",
      "-o-animation-delay",
      "animation-delay",
      "-webkit-animation-iteration-count",
      "-moz-animation-iteration-count",
      "-ms-animation-iteration-count",
      "-o-animation-iteration-count",
      "animation-iteration-count",
      "-webkit-animation-direction",
      "-moz-animation-direction",
      "-ms-animation-direction",
      "-o-animation-direction",
      "animation-direction"
    ]
  ]
 }
--- a/searx/static/oscar/less/bootstrap/.csslintrc
+++ b/searx/static/oscar/less/bootstrap/.csslintrc
@ -0,0 +1,19 @@
 {
  "adjoining-classes": false,
  "box-sizing": false,
  "box-model": false,
  "compatible-vendor-prefixes": false,
  "floats": false,
  "font-sizes": false,
  "gradients": false,
  "important": false,
  "known-properties": false,
  "outline-none": false,
  "qualified-headings": false,
  "regex-selectors": false,
  "shorthand": false,
  "text-indent": false,
  "unique-headings": false,
  "universal-selector": false,
  "unqualified-attributes": false
 }
--- a/searx/static/oscar/less/bootstrap/alerts.less
+++ b/searx/static/oscar/less/bootstrap/alerts.less
@ -0,0 +1,68 @@
 //
 // Alerts
 // --------------------------------------------------
 // Base styles
 // -------------------------
 .alert {
  padding: @alert-padding;
  margin-bottom: @line-height-computed;
  border: 1px solid transparent;
  border-radius: @alert-border-radius;
  // Headings for larger alerts
  h4 {
    margin-top: 0;
    // Specified for the h4 to prevent conflicts of changing @headings-color
    color: inherit;
  }
  // Provide class for links that match alerts
  .alert-link {
    font-weight: @alert-link-font-weight;
  }
  // Improve alignment and spacing of inner content
  > p,
  > ul {
    margin-bottom: 0;
  }
  > p + p {
    margin-top: 5px;
  }
 }
 // Dismissible alerts
 //
 // Expand the right padding and account for the close button's positioning.
 .alert-dismissable, // The misspelled .alert-dismissable was deprecated in 3.2.0.
 .alert-dismissible {
  padding-right: (@alert-padding + 20);
  // Adjust close link position
  .close {
    position: relative;
    top: -2px;
    right: -21px;
    color: inherit;
  }
 }
 // Alternate styles
 //
 // Generate contextual modifier classes for colorizing the alert.
 .alert-success {
  .alert-variant(@alert-success-bg; @alert-success-border; @alert-success-text);
 }
 .alert-info {
  .alert-variant(@alert-info-bg; @alert-info-border; @alert-info-text);
 }
 .alert-warning {
  .alert-variant(@alert-warning-bg; @alert-warning-border; @alert-warning-text);
 }
 .alert-danger {
  .alert-variant(@alert-danger-bg; @alert-danger-border; @alert-danger-text);
 }
--- a/searx/static/oscar/less/bootstrap/badges.less
+++ b/searx/static/oscar/less/bootstrap/badges.less
@ -0,0 +1,55 @@
 //
 // Badges
 // --------------------------------------------------
 // Base class
 .badge {
  display: inline-block;
  min-width: 10px;
  padding: 3px 7px;
  font-size: @font-size-small;
  font-weight: @badge-font-weight;
  color: @badge-color;
  line-height: @badge-line-height;
  vertical-align: baseline;
  white-space: nowrap;
  text-align: center;
  background-color: @badge-bg;
  border-radius: @badge-border-radius;
  // Empty badges collapse automatically (not available in IE8)
  &:empty {
    display: none;
  }
  // Quick fix for badges in buttons
  .btn & {
    position: relative;
    top: -1px;
  }
  .btn-xs & {
    top: 0;
    padding: 1px 5px;
  }
  // Hover state, but only for links
  a& {
    &:hover,
    &:focus {
      color: @badge-link-hover-color;
      text-decoration: none;
      cursor: pointer;
    }
  }
  // Account for badges in navs
  a.list-group-item.active > &,
  .nav-pills > .active > a > & {
    color: @badge-active-color;
    background-color: @badge-active-bg;
  }
  .nav-pills > li > a > & {
    margin-left: 3px;
  }
 }
--- a/searx/static/oscar/less/bootstrap/bootstrap.less
+++ b/searx/static/oscar/less/bootstrap/bootstrap.less
@ -0,0 +1,53 @@
 // Core variables and mixins
@import "variables.less";
@import "mixins.less";
 // Reset and dependencies
@import "normalize.less";
@import "print.less";
@import "glyphicons.less";
 // Core CSS
@import "scaffolding.less";
@import "type.less";
@import "code.less";
@import "grid.less";
@import "tables.less";
@import "forms.less";
@import "buttons.less";
 // Components
@import "component-animations.less";
@import "dropdowns.less";
@import "button-groups.less";
@import "input-groups.less";
@import "navs.less";
@import "navbar.less";
@import "breadcrumbs.less";
@import "pagination.less";
@import "pager.less";
@import "labels.less";
@import "badges.less";
@import "jumbotron.less";
@import "thumbnails.less";
@import "alerts.less";
@import "progress-bars.less";
@import "media.less";
@import "list-group.less";
@import "panels.less";
@import "responsive-embed.less";
@import "wells.less";
@import "close.less";
 // Components w/ JavaScript
@import "modals.less";
@import "tooltip.less";
@import "popovers.less";
@import "carousel.less";
 // Utility classes
@import "utilities.less";
@import "responsive-utilities.less";
 // own additions
@import "typeahead.less";
--- a/searx/static/oscar/less/bootstrap/breadcrumbs.less
+++ b/searx/static/oscar/less/bootstrap/breadcrumbs.less
@ -0,0 +1,26 @@
 //
 // Breadcrumbs
 // --------------------------------------------------
 .breadcrumb {
  padding: @breadcrumb-padding-vertical @breadcrumb-padding-horizontal;
  margin-bottom: @line-height-computed;
  list-style: none;
  background-color: @breadcrumb-bg;
  border-radius: @border-radius-base;
  > li {
    display: inline-block;
    + li:before {
      content: "@{breadcrumb-separator}\00a0"; // Unicode space added since inline-block means non-collapsing white-space
      padding: 0 5px;
      color: @breadcrumb-color;
    }
  }
  > .active {
    color: @breadcrumb-active-color;
  }
 }
--- a/searx/static/oscar/less/bootstrap/button-groups.less
+++ b/searx/static/oscar/less/bootstrap/button-groups.less
@ -0,0 +1,240 @@
 //
 // Button groups
 // --------------------------------------------------
 // Make the div behave like a button
 .btn-group,
 .btn-group-vertical {
  position: relative;
  display: inline-block;
  vertical-align: middle; // match .btn alignment given font-size hack above
  > .btn {
    position: relative;
    float: left;
    // Bring the "active" button to the front
    &:hover,
    &:focus,
    &:active,
    &.active {
      z-index: 2;
    }
    &:focus {
      // Remove focus outline when dropdown JS adds it after closing the menu
      outline: 0;
    }
  }
 }
 // Prevent double borders when buttons are next to each other
 .btn-group {
  .btn + .btn,
  .btn + .btn-group,
  .btn-group + .btn,
  .btn-group + .btn-group {
    margin-left: -1px;
  }
 }
 // Optional: Group multiple button groups together for a toolbar
 .btn-toolbar {
  margin-left: -5px; // Offset the first child's margin
  &:extend(.clearfix all);
  .btn-group,
  .input-group {
    float: left;
  }
  > .btn,
  > .btn-group,
  > .input-group {
    margin-left: 5px;
  }
 }
 .btn-group > .btn:not(:first-child):not(:last-child):not(.dropdown-toggle) {
  border-radius: 0;
 }
 // Set corners individual because sometimes a single button can be in a .btn-group and we need :first-child and :last-child to both match
 .btn-group > .btn:first-child {
  margin-left: 0;
  &:not(:last-child):not(.dropdown-toggle) {
    .border-right-radius(0);
  }
 }
 // Need .dropdown-toggle since :last-child doesn't apply given a .dropdown-menu immediately after it
 .btn-group > .btn:last-child:not(:first-child),
 .btn-group > .dropdown-toggle:not(:first-child) {
  .border-left-radius(0);
 }
 // Custom edits for including btn-groups within btn-groups (useful for including dropdown buttons within a btn-group)
 .btn-group > .btn-group {
  float: left;
 }
 .btn-group > .btn-group:not(:first-child):not(:last-child) > .btn {
  border-radius: 0;
 }
 .btn-group > .btn-group:first-child {
  > .btn:last-child,
  > .dropdown-toggle {
    .border-right-radius(0);
  }
 }
 .btn-group > .btn-group:last-child > .btn:first-child {
  .border-left-radius(0);
 }
 // On active and open, don't show outline
 .btn-group .dropdown-toggle:active,
 .btn-group.open .dropdown-toggle {
  outline: 0;
 }
 // Sizing
 //
 // Remix the default button sizing classes into new ones for easier manipulation.
 .btn-group-xs > .btn { &:extend(.btn-xs); }
 .btn-group-sm > .btn { &:extend(.btn-sm); }
 .btn-group-lg > .btn { &:extend(.btn-lg); }
 // Split button dropdowns
 // ----------------------
 // Give the line between buttons some depth
 .btn-group > .btn + .dropdown-toggle {
  padding-left: 8px;
  padding-right: 8px;
 }
 .btn-group > .btn-lg + .dropdown-toggle {
  padding-left: 12px;
  padding-right: 12px;
 }
 // The clickable button for toggling the menu
 // Remove the gradient and set the same inset shadow as the :active state
 .btn-group.open .dropdown-toggle {
  .box-shadow(inset 0 3px 5px rgba(0,0,0,.125));
  // Show no shadow for `.btn-link` since it has no other button styles.
  &.btn-link {
    .box-shadow(none);
  }
 }
 // Reposition the caret
 .btn .caret {
  margin-left: 0;
 }
 // Carets in other button sizes
 .btn-lg .caret {
  border-width: @caret-width-large @caret-width-large 0;
  border-bottom-width: 0;
 }
 // Upside down carets for .dropup
 .dropup .btn-lg .caret {
  border-width: 0 @caret-width-large @caret-width-large;
 }
 // Vertical button groups
 // ----------------------
 .btn-group-vertical {
  > .btn,
  > .btn-group,
  > .btn-group > .btn {
    display: block;
    float: none;
    width: 100%;
    max-width: 100%;
  }
  // Clear floats so dropdown menus can be properly placed
  > .btn-group {
    &:extend(.clearfix all);
    > .btn {
      float: none;
    }
  }
  > .btn + .btn,
  > .btn + .btn-group,
  > .btn-group + .btn,
  > .btn-group + .btn-group {
    margin-top: -1px;
    margin-left: 0;
  }
 }
 .btn-group-vertical > .btn {
  &:not(:first-child):not(:last-child) {
    border-radius: 0;
  }
  &:first-child:not(:last-child) {
    border-top-right-radius: @border-radius-base;
    .border-bottom-radius(0);
  }
  &:last-child:not(:first-child) {
    border-bottom-left-radius: @border-radius-base;
    .border-top-radius(0);
  }
 }
 .btn-group-vertical > .btn-group:not(:first-child):not(:last-child) > .btn {
  border-radius: 0;
 }
 .btn-group-vertical > .btn-group:first-child:not(:last-child) {
  > .btn:last-child,
  > .dropdown-toggle {
    .border-bottom-radius(0);
  }
 }
 .btn-group-vertical > .btn-group:last-child:not(:first-child) > .btn:first-child {
  .border-top-radius(0);
 }
 // Justified button groups
 // ----------------------
 .btn-group-justified {
  display: table;
  width: 100%;
  table-layout: fixed;
  border-collapse: separate;
  > .btn,
  > .btn-group {
    float: none;
    display: table-cell;
    width: 1%;
  }
  > .btn-group .btn {
    width: 100%;
  }
  > .btn-group .dropdown-menu {
    left: auto;
  }
 }
 // Checkbox and radio options
 //
 // In order to support the browser's form validation feedback, powered by the
 // `required` attribute, we have to "hide" the inputs via `opacity`. We cannot
 // use `display: none;` or `visibility: hidden;` as that also hides the popover.
 // This way, we ensure a DOM element is visible to position the popover from.
 //
 // See https://github.com/twbs/bootstrap/pull/12794 for more.
 [data-toggle="buttons"] > .btn > input[type="radio"],
 [data-toggle="buttons"] > .btn > input[type="checkbox"] {
  position: absolute;
  z-index: -1;
  .opacity(0);
 }
--- a/searx/static/oscar/less/bootstrap/buttons.less
+++ b/searx/static/oscar/less/bootstrap/buttons.less
@ -0,0 +1,157 @@
 //
 // Buttons
 // --------------------------------------------------
 // Base styles
 // --------------------------------------------------
 .btn {
  display: inline-block;
  margin-bottom: 0; // For input.btn
  font-weight: @btn-font-weight;
  text-align: center;
  vertical-align: middle;
  cursor: pointer;
  background-image: none; // Reset unusual Firefox-on-Android default style; see https://github.com/necolas/normalize.css/issues/214
  border: 1px solid transparent;
  white-space: nowrap;
  .button-size(@padding-base-vertical; @padding-base-horizontal; @font-size-base; @line-height-base; @border-radius-base);
  .user-select(none);
  &,
  &:active,
  &.active {
    &:focus {
      .tab-focus();
    }
  }
  &:hover,
  &:focus {
    color: @btn-default-color;
    text-decoration: none;
  }
  &:active,
  &.active {
    outline: 0;
    background-image: none;
    .box-shadow(inset 0 3px 5px rgba(0,0,0,.125));
  }
  &.disabled,
  &[disabled],
  fieldset[disabled] & {
    cursor: not-allowed;
    pointer-events: none; // Future-proof disabling of clicks
    .opacity(.65);
    .box-shadow(none);
  }
 }
 // Alternate buttons
 // --------------------------------------------------
 .btn-default {
  .button-variant(@btn-default-color; @btn-default-bg; @btn-default-border);
 }
 .btn-primary {
  .button-variant(@btn-primary-color; @btn-primary-bg; @btn-primary-border);
 }
 // Success appears as green
 .btn-success {
  .button-variant(@btn-success-color; @btn-success-bg; @btn-success-border);
 }
 // Info appears as blue-green
 .btn-info {
  .button-variant(@btn-info-color; @btn-info-bg; @btn-info-border);
 }
 // Warning appears as orange
 .btn-warning {
  .button-variant(@btn-warning-color; @btn-warning-bg; @btn-warning-border);
 }
 // Danger and error appear as red
 .btn-danger {
  .button-variant(@btn-danger-color; @btn-danger-bg; @btn-danger-border);
 }
 // Link buttons
 // -------------------------
 // Make a button look and behave like a link
 .btn-link {
  color: @link-color;
  font-weight: normal;
  cursor: pointer;
  border-radius: 0;
  &,
  &:active,
  &[disabled],
  fieldset[disabled] & {
    background-color: transparent;
    .box-shadow(none);
  }
  &,
  &:hover,
  &:focus,
  &:active {
    border-color: transparent;
  }
  &:hover,
  &:focus {
    color: @link-hover-color;
    text-decoration: underline;
    background-color: transparent;
  }
  &[disabled],
  fieldset[disabled] & {
    &:hover,
    &:focus {
      color: @btn-link-disabled-color;
      text-decoration: none;
    }
  }
 }
 // Button Sizes
 // --------------------------------------------------
 .btn-lg {
  // line-height: ensure even-numbered height of button next to large input
  .button-size(@padding-large-vertical; @padding-large-horizontal; @font-size-large; @line-height-large; @border-radius-large);
 }
 .btn-sm {
  // line-height: ensure proper height of button next to small input
  .button-size(@padding-small-vertical; @padding-small-horizontal; @font-size-small; @line-height-small; @border-radius-small);
 }
 .btn-xs {
  .button-size(@padding-xs-vertical; @padding-xs-horizontal; @font-size-small; @line-height-small; @border-radius-small);
 }
 // Block button
 // --------------------------------------------------
 .btn-block {
  display: block;
  width: 100%;
 }
 // Vertically space out multiple block buttons
 .btn-block + .btn-block {
  margin-top: 5px;
 }
 // Specificity overrides
 input[type="submit"],
 input[type="reset"],
 input[type="button"] {
  &.btn-block {
    width: 100%;
  }
 }
--- a/searx/static/oscar/less/bootstrap/carousel.less
+++ b/searx/static/oscar/less/bootstrap/carousel.less
@ -0,0 +1,243 @@
 //
 // Carousel
 // --------------------------------------------------
 // Wrapper for the slide container and indicators
 .carousel {
  position: relative;
 }
 .carousel-inner {
  position: relative;
  overflow: hidden;
  width: 100%;
  > .item {
    display: none;
    position: relative;
    .transition(.6s ease-in-out left);
    // Account for jankitude on images
    > img,
    > a > img {
      &:extend(.img-responsive);
      line-height: 1;
    }
  }
  > .active,
  > .next,
  > .prev {
    display: block;
  }
  > .active {
    left: 0;
  }
  > .next,
  > .prev {
    position: absolute;
    top: 0;
    width: 100%;
  }
  > .next {
    left: 100%;
  }
  > .prev {
    left: -100%;
  }
  > .next.left,
  > .prev.right {
    left: 0;
  }
  > .active.left {
    left: -100%;
  }
  > .active.right {
    left: 100%;
  }
 }
 // Left/right controls for nav
 // ---------------------------
 .carousel-control {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: @carousel-control-width;
  .opacity(@carousel-control-opacity);
  font-size: @carousel-control-font-size;
  color: @carousel-control-color;
  text-align: center;
  text-shadow: @carousel-text-shadow;
  // We can't have this transition here because WebKit cancels the carousel
  // animation if you trip this while in the middle of another animation.
  // Set gradients for backgrounds
  &.left {
    #gradient > .horizontal(@start-color: rgba(0,0,0,.5); @end-color: rgba(0,0,0,.0001));
  }
  &.right {
    left: auto;
    right: 0;
    #gradient > .horizontal(@start-color: rgba(0,0,0,.0001); @end-color: rgba(0,0,0,.5));
  }
  // Hover/focus state
  &:hover,
  &:focus {
    outline: 0;
    color: @carousel-control-color;
    text-decoration: none;
    .opacity(.9);
  }
  // Toggles
  .icon-prev,
  .icon-next,
  .glyphicon-chevron-left,
  .glyphicon-chevron-right {
    position: absolute;
    top: 50%;
    z-index: 5;
    display: inline-block;
  }
  .icon-prev,
  .glyphicon-chevron-left {
    left: 50%;
    margin-left: -10px;
  }
  .icon-next,
  .glyphicon-chevron-right {
    right: 50%;
    margin-right: -10px;
  }
  .icon-prev,
  .icon-next {
    width:  20px;
    height: 20px;
    margin-top: -10px;
    font-family: serif;
  }
  .icon-prev {
    &:before {
      content: '\2039';// SINGLE LEFT-POINTING ANGLE QUOTATION MARK (U+2039)
    }
  }
  .icon-next {
    &:before {
      content: '\203a';// SINGLE RIGHT-POINTING ANGLE QUOTATION MARK (U+203A)
    }
  }
 }
 // Optional indicator pips
 //
 // Add an unordered list with the following class and add a list item for each
 // slide your carousel holds.
 .carousel-indicators {
  position: absolute;
  bottom: 10px;
  left: 50%;
  z-index: 15;
  width: 60%;
  margin-left: -30%;
  padding-left: 0;
  list-style: none;
  text-align: center;
  li {
    display: inline-block;
    width:  10px;
    height: 10px;
    margin: 1px;
    text-indent: -999px;
    border: 1px solid @carousel-indicator-border-color;
    border-radius: 10px;
    cursor: pointer;
    // IE8-9 hack for event handling
    //
    // Internet Explorer 8-9 does not support clicks on elements without a set
    // `background-color`. We cannot use `filter` since that's not viewed as a
    // background color by the browser. Thus, a hack is needed.
    //
    // For IE8, we set solid black as it doesn't support `rgba()`. For IE9, we
    // set alpha transparency for the best results possible.
    background-color: #000 \9; // IE8
    background-color: rgba(0,0,0,0); // IE9
  }
  .active {
    margin: 0;
    width:  12px;
    height: 12px;
    background-color: @carousel-indicator-active-bg;
  }
 }
 // Optional captions
 // -----------------------------
 // Hidden by default for smaller viewports
 .carousel-caption {
  position: absolute;
  left: 15%;
  right: 15%;
  bottom: 20px;
  z-index: 10;
  padding-top: 20px;
  padding-bottom: 20px;
  color: @carousel-caption-color;
  text-align: center;
  text-shadow: @carousel-text-shadow;
  & .btn {
    text-shadow: none; // No shadow for button elements in carousel-caption
  }
 }
 // Scale up controls for tablets and up
@media screen and (min-width: @screen-sm-min) {
  // Scale up the controls a smidge
  .carousel-control {
    .glyphicon-chevron-left,
    .glyphicon-chevron-right,
    .icon-prev,
    .icon-next {
      width: 30px;
      height: 30px;
      margin-top: -15px;
      font-size: 30px;
    }
    .glyphicon-chevron-left,
    .icon-prev {
      margin-left: -15px;
    }
    .glyphicon-chevron-right,
    .icon-next {
      margin-right: -15px;
    }
  }
  // Show and left align the captions
  .carousel-caption {
    left: 20%;
    right: 20%;
    padding-bottom: 30px;
  }
  // Move up the indicators
  .carousel-indicators {
    bottom: 20px;
  }
 }
--- a/searx/static/oscar/less/bootstrap/close.less
+++ b/searx/static/oscar/less/bootstrap/close.less
@ -0,0 +1,33 @@
 //
 // Close icons
 // --------------------------------------------------
 .close {
  float: right;
  font-size: (@font-size-base * 1.5);
  font-weight: @close-font-weight;
  line-height: 1;
  color: @close-color;
  text-shadow: @close-text-shadow;
  .opacity(.2);
  &:hover,
  &:focus {
    color: @close-color;
    text-decoration: none;
    cursor: pointer;
    .opacity(.5);
  }
  // Additional properties for button version
  // iOS requires the button element instead of an anchor tag.
  // If you want the anchor version, it requires `href="#"`.
  button& {
    padding: 0;
    cursor: pointer;
    background: transparent;
    border: 0;
    -webkit-appearance: none;
  }
 }
--- a/searx/static/oscar/less/bootstrap/code.less
+++ b/searx/static/oscar/less/bootstrap/code.less
@ -0,0 +1,68 @@
 //
 // Code (inline and block)
 // --------------------------------------------------
 // Inline and block code styles
 code,
 kbd,
 pre,
 samp {
  font-family: @font-family-monospace;
 }
 // Inline code
 code {
  padding: 2px 4px;
  font-size: 90%;
  color: @code-color;
  background-color: @code-bg;
  border-radius: @border-radius-base;
 }
 // User input typically entered via keyboard
 kbd {
  padding: 2px 4px;
  font-size: 90%;
  color: @kbd-color;
  background-color: @kbd-bg;
  border-radius: @border-radius-small;
  box-shadow: inset 0 -1px 0 rgba(0,0,0,.25);
  kbd {
    padding: 0;
    font-size: 100%;
    box-shadow: none;
  }
 }
 // Blocks of code
 pre {
  display: block;
  padding: ((@line-height-computed - 1) / 2);
  margin: 0 0 (@line-height-computed / 2);
  font-size: (@font-size-base - 1); // 14px to 13px
  line-height: @line-height-base;
  word-break: break-all;
  word-wrap: break-word;
  color: @pre-color;
  background-color: @pre-bg;
  border: 1px solid @pre-border-color;
  border-radius: @border-radius-base;
  // Account for some code outputs that place code tags in pre tags
  code {
    padding: 0;
    font-size: inherit;
    color: inherit;
    white-space: pre-wrap;
    background-color: transparent;
    border-radius: 0;
  }
 }
 // Enable scrollable blocks of code
 .pre-scrollable {
  max-height: @pre-scrollable-max-height;
  overflow-y: scroll;
 }
--- a/searx/static/oscar/less/bootstrap/component-animations.less
+++ b/searx/static/oscar/less/bootstrap/component-animations.less
@ -0,0 +1,31 @@
 //
 // Component animations
 // --------------------------------------------------
 // Heads up!
 //
 // We don't use the `.opacity()` mixin here since it causes a bug with text
 // fields in IE7-8. Source: https://github.com/twbs/bootstrap/pull/3552.
 .fade {
  opacity: 0;
  .transition(opacity .15s linear);
  &.in {
    opacity: 1;
  }
 }
 .collapse {
  display: none;
  &.in      { display: block; }
  tr&.in    { display: table-row; }
  tbody&.in { display: table-row-group; }
 }
 .collapsing {
  position: relative;
  height: 0;
  overflow: hidden;
  .transition(height .35s ease);
 }
--- a/searx/static/oscar/less/bootstrap/dropdowns.less
+++ b/searx/static/oscar/less/bootstrap/dropdowns.less
@ -0,0 +1,215 @@
 //
 // Dropdown menus
 // --------------------------------------------------
 // Dropdown arrow/caret
 .caret {
  display: inline-block;
  width: 0;
  height: 0;
  margin-left: 2px;
  vertical-align: middle;
  border-top:   @caret-width-base solid;
  border-right: @caret-width-base solid transparent;
  border-left:  @caret-width-base solid transparent;
 }
 // The dropdown wrapper (div)
 .dropdown {
  position: relative;
 }
 // Prevent the focus on the dropdown toggle when closing dropdowns
 .dropdown-toggle:focus {
  outline: 0;
 }
 // The dropdown menu (ul)
 .dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: @zindex-dropdown;
  display: none; // none by default, but block on "open" of the menu
  float: left;
  min-width: 160px;
  padding: 5px 0;
  margin: 2px 0 0; // override default ul
  list-style: none;
  font-size: @font-size-base;
  text-align: left; // Ensures proper alignment if parent has it changed (e.g., modal footer)
  background-color: @dropdown-bg;
  border: 1px solid @dropdown-fallback-border; // IE8 fallback
  border: 1px solid @dropdown-border;
  border-radius: @border-radius-base;
  .box-shadow(0 6px 12px rgba(0,0,0,.175));
  background-clip: padding-box;
  // Aligns the dropdown menu to right
  //
  // Deprecated as of 3.1.0 in favor of `.dropdown-menu-[dir]`
  &.pull-right {
    right: 0;
    left: auto;
  }
  // Dividers (basically an hr) within the dropdown
  .divider {
    .nav-divider(@dropdown-divider-bg);
  }
  // Links within the dropdown menu
  > li > a {
    display: block;
    padding: 3px 20px;
    clear: both;
    font-weight: normal;
    line-height: @line-height-base;
    color: @dropdown-link-color;
    white-space: nowrap; // prevent links from randomly breaking onto new lines
  }
 }
 // Hover/Focus state
 .dropdown-menu > li > a {
  &:hover,
  &:focus {
    text-decoration: none;
    color: @dropdown-link-hover-color;
    background-color: @dropdown-link-hover-bg;
  }
 }
 // Active state
 .dropdown-menu > .active > a {
  &,
  &:hover,
  &:focus {
    color: @dropdown-link-active-color;
    text-decoration: none;
    outline: 0;
    background-color: @dropdown-link-active-bg;
  }
 }
 // Disabled state
 //
 // Gray out text and ensure the hover/focus state remains gray
 .dropdown-menu > .disabled > a {
  &,
  &:hover,
  &:focus {
    color: @dropdown-link-disabled-color;
  }
 }
 // Nuke hover/focus effects
 .dropdown-menu > .disabled > a {
  &:hover,
  &:focus {
    text-decoration: none;
    background-color: transparent;
    background-image: none; // Remove CSS gradient
    .reset-filter();
    cursor: not-allowed;
  }
 }
 // Open state for the dropdown
 .open {
  // Show the menu
  > .dropdown-menu {
    display: block;
  }
  // Remove the outline when :focus is triggered
  > a {
    outline: 0;
  }
 }
 // Menu positioning
 //
 // Add extra class to `.dropdown-menu` to flip the alignment of the dropdown
 // menu with the parent.
 .dropdown-menu-right {
  left: auto; // Reset the default from `.dropdown-menu`
  right: 0;
 }
 // With v3, we enabled auto-flipping if you have a dropdown within a right
 // aligned nav component. To enable the undoing of that, we provide an override
 // to restore the default dropdown menu alignment.
 //
 // This is only for left-aligning a dropdown menu within a `.navbar-right` or
 // `.pull-right` nav component.
 .dropdown-menu-left {
  left: 0;
  right: auto;
 }
 // Dropdown section headers
 .dropdown-header {
  display: block;
  padding: 3px 20px;
  font-size: @font-size-small;
  line-height: @line-height-base;
  color: @dropdown-header-color;
  white-space: nowrap; // as with > li > a
 }
 // Backdrop to catch body clicks on mobile, etc.
 .dropdown-backdrop {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  top: 0;
  z-index: (@zindex-dropdown - 10);
 }
 // Right aligned dropdowns
 .pull-right > .dropdown-menu {
  right: 0;
  left: auto;
 }
 // Allow for dropdowns to go bottom up (aka, dropup-menu)
 //
 // Just add .dropup after the standard .dropdown class and you're set, bro.
 // TODO: abstract this so that the navbar fixed styles are not placed here?
 .dropup,
 .navbar-fixed-bottom .dropdown {
  // Reverse the caret
  .caret {
    border-top: 0;
    border-bottom: @caret-width-base solid;
    content: "";
  }
  // Different positioning for bottom up menu
  .dropdown-menu {
    top: auto;
    bottom: 100%;
    margin-bottom: 1px;
  }
 }
 // Component alignment
 //
 // Reiterate per navbar.less and the modified component alignment there.
@media (min-width: @grid-float-breakpoint) {
  .navbar-right {
    .dropdown-menu {
      .dropdown-menu-right();
    }
    // Necessary for overrides of the default right aligned menu.
    // Will remove come v4 in all likelihood.
    .dropdown-menu-left {
      .dropdown-menu-left();
    }
  }
 }
--- a/searx/static/oscar/less/bootstrap/forms.less
+++ b/searx/static/oscar/less/bootstrap/forms.less
@ -0,0 +1,540 @@
 //
 // Forms
 // --------------------------------------------------
 // Normalize non-controls
 //
 // Restyle and baseline non-control form elements.
 fieldset {
  padding: 0;
  margin: 0;
  border: 0;
  // Chrome and Firefox set a `min-width: min-content;` on fieldsets,
  // so we reset that to ensure it behaves more like a standard block element.
  // See https://github.com/twbs/bootstrap/issues/12359.
  min-width: 0;
 }
 legend {
  display: block;
  width: 100%;
  padding: 0;
  margin-bottom: @line-height-computed;
  font-size: (@font-size-base * 1.5);
  line-height: inherit;
  color: @legend-color;
  border: 0;
  border-bottom: 1px solid @legend-border-color;
 }
 label {
  display: inline-block;
  max-width: 100%; // Force IE8 to wrap long content (see https://github.com/twbs/bootstrap/issues/13141)
  margin-bottom: 5px;
  font-weight: bold;
 }
 // Normalize form controls
 //
 // While most of our form styles require extra classes, some basic normalization
 // is required to ensure optimum display with or without those classes to better
 // address browser inconsistencies.
 // Override content-box in Normalize (* isn't specific enough)
 input[type="search"] {
  .box-sizing(border-box);
 }
 // Position radios and checkboxes better
 input[type="radio"],
 input[type="checkbox"] {
  margin: 4px 0 0;
  margin-top: 1px \9; // IE8-9
  line-height: normal;
 }
 // Set the height of file controls to match text inputs
 input[type="file"] {
  display: block;
 }
 // Make range inputs behave like textual form controls
 input[type="range"] {
  display: block;
  width: 100%;
 }
 // Make multiple select elements height not fixed
 select[multiple],
 select[size] {
  height: auto;
 }
 // Focus for file, radio, and checkbox
 input[type="file"]:focus,
 input[type="radio"]:focus,
 input[type="checkbox"]:focus {
  .tab-focus();
 }
 // Adjust output element
 output {
  display: block;
  padding-top: (@padding-base-vertical + 1);
  font-size: @font-size-base;
  line-height: @line-height-base;
  color: @input-color;
 }
 // Common form controls
 //
 // Shared size and type resets for form controls. Apply `.form-control` to any
 // of the following form controls:
 //
 // select
 // textarea
 // input[type="text"]
 // input[type="password"]
 // input[type="datetime"]
 // input[type="datetime-local"]
 // input[type="date"]
 // input[type="month"]
 // input[type="time"]
 // input[type="week"]
 // input[type="number"]
 // input[type="email"]
 // input[type="url"]
 // input[type="search"]
 // input[type="tel"]
 // input[type="color"]
 .form-control {
  display: block;
  width: 100%;
  height: @input-height-base; // Make inputs at least the height of their button counterpart (base line-height + padding + border)
  padding: @padding-base-vertical @padding-base-horizontal;
  font-size: @font-size-base;
  line-height: @line-height-base;
  color: @input-color;
  background-color: @input-bg;
  background-image: none; // Reset unusual Firefox-on-Android default style; see https://github.com/necolas/normalize.css/issues/214
  border: 1px solid @input-border;
  border-radius: @input-border-radius;
  .box-shadow(inset 0 1px 1px rgba(0,0,0,.075));
  .transition(~"border-color ease-in-out .15s, box-shadow ease-in-out .15s");
  // Customize the `:focus` state to imitate native WebKit styles.
  .form-control-focus();
  // Placeholder
  .placeholder();
  // Disabled and read-only inputs
  //
  // HTML5 says that controls under a fieldset > legend:first-child won't be
  // disabled if the fieldset is disabled. Due to implementation difficulty, we
  // don't honor that edge case; we style them as disabled anyway.
  &[disabled],
  &[readonly],
  fieldset[disabled] & {
    cursor: not-allowed;
    background-color: @input-bg-disabled;
    opacity: 1; // iOS fix for unreadable disabled content
  }
  // Reset height for `textarea`s
  textarea& {
    height: auto;
  }
 }
 // Search inputs in iOS
 //
 // This overrides the extra rounded corners on search inputs in iOS so that our
 // `.form-control` class can properly style them. Note that this cannot simply
 // be added to `.form-control` as it's not specific enough. For details, see
 // https://github.com/twbs/bootstrap/issues/11586.
 input[type="search"] {
  -webkit-appearance: none;
 }
 // Special styles for iOS temporal inputs
 //
 // In Mobile Safari, setting `display: block` on temporal inputs causes the
 // text within the input to become vertically misaligned.
 // As a workaround, we set a pixel line-height that matches the
 // given height of the input. Since this fucks up everything else, we have to
 // appropriately reset it for Internet Explorer and the size variations.
 input[type="date"],
 input[type="time"],
 input[type="datetime-local"],
 input[type="month"] {
  line-height: @input-height-base;
  // IE8+ misaligns the text within date inputs, so we reset
  line-height: @line-height-base ~"\0";
  &.input-sm {
    line-height: @input-height-small;
  }
  &.input-lg {
    line-height: @input-height-large;
  }
 }
 // Form groups
 //
 // Designed to help with the organization and spacing of vertical forms. For
 // horizontal forms, use the predefined grid classes.
 .form-group {
  margin-bottom: 15px;
 }
 // Checkboxes and radios
 //
 // Indent the labels to position radios/checkboxes as hanging controls.
 .radio,
 .checkbox {
  position: relative;
  display: block;
  min-height: @line-height-computed; // clear the floating input if there is no label text
  margin-top: 10px;
  margin-bottom: 10px;
  label {
    padding-left: 20px;
    margin-bottom: 0;
    font-weight: normal;
    cursor: pointer;
  }
 }
 .radio input[type="radio"],
 .radio-inline input[type="radio"],
 .checkbox input[type="checkbox"],
 .checkbox-inline input[type="checkbox"] {
  position: absolute;
  margin-left: -20px;
  margin-top: 4px \9;
 }
 .radio + .radio,
 .checkbox + .checkbox {
  margin-top: -5px; // Move up sibling radios or checkboxes for tighter spacing
 }
 // Radios and checkboxes on same line
 .radio-inline,
 .checkbox-inline {
  display: inline-block;
  padding-left: 20px;
  margin-bottom: 0;
  vertical-align: middle;
  font-weight: normal;
  cursor: pointer;
 }
 .radio-inline + .radio-inline,
 .checkbox-inline + .checkbox-inline {
  margin-top: 0;
  margin-left: 10px; // space out consecutive inline controls
 }
 // Apply same disabled cursor tweak as for inputs
 // Some special care is needed because <label>s don't inherit their parent's `cursor`.
 //
 // Note: Neither radios nor checkboxes can be readonly.
 input[type="radio"],
 input[type="checkbox"] {
  &[disabled],
  &.disabled,
  fieldset[disabled] & {
    cursor: not-allowed;
  }
 }
 // These classes are used directly on <label>s
 .radio-inline,
 .checkbox-inline {
  &.disabled,
  fieldset[disabled] & {
    cursor: not-allowed;
  }
 }
 // These classes are used on elements with <label> descendants
 .radio,
 .checkbox {
  &.disabled,
  fieldset[disabled] & {
    label {
      cursor: not-allowed;
    }
  }
 }
 // Static form control text
 //
 // Apply class to a `p` element to make any string of text align with labels in
 // a horizontal form layout.
 .form-control-static {
  // Size it appropriately next to real form controls
  padding-top: (@padding-base-vertical + 1);
  padding-bottom: (@padding-base-vertical + 1);
  // Remove default margin from `p`
  margin-bottom: 0;
  &.input-lg,
  &.input-sm {
    padding-left: 0;
    padding-right: 0;
  }
 }
 // Form control sizing
 //
 // Build on `.form-control` with modifier classes to decrease or increase the
 // height and font-size of form controls.
 .input-sm {
  .input-size(@input-height-small; @padding-small-vertical; @padding-small-horizontal; @font-size-small; @line-height-small; @border-radius-small);
 }
 .input-lg {
  .input-size(@input-height-large; @padding-large-vertical; @padding-large-horizontal; @font-size-large; @line-height-large; @border-radius-large);
 }
 // Form control feedback states
 //
 // Apply contextual and semantic states to individual form controls.
 .has-feedback {
  // Enable absolute positioning
  position: relative;
  // Ensure icons don't overlap text
  .form-control {
    padding-right: (@input-height-base * 1.25);
  }
 }
 // Feedback icon (requires .glyphicon classes)
 .form-control-feedback {
  position: absolute;
  top: (@line-height-computed + 5); // Height of the `label` and its margin
  right: 0;
  z-index: 2; // Ensure icon is above input groups
  display: block;
  width: @input-height-base;
  height: @input-height-base;
  line-height: @input-height-base;
  text-align: center;
 }
 .input-lg + .form-control-feedback {
  width: @input-height-large;
  height: @input-height-large;
  line-height: @input-height-large;
 }
 .input-sm + .form-control-feedback {
  width: @input-height-small;
  height: @input-height-small;
  line-height: @input-height-small;
 }
 // Feedback states
 .has-success {
  .form-control-validation(@state-success-text; @state-success-text; @state-success-bg);
 }
 .has-warning {
  .form-control-validation(@state-warning-text; @state-warning-text; @state-warning-bg);
 }
 .has-error {
  .form-control-validation(@state-danger-text; @state-danger-text; @state-danger-bg);
 }
 // Reposition feedback icon if label is hidden with "screenreader only" state
 .has-feedback label.sr-only ~ .form-control-feedback {
  top: 0;
 }
 // Help text
 //
 // Apply to any element you wish to create light text for placement immediately
 // below a form control. Use for general help, formatting, or instructional text.
 .help-block {
  display: block; // account for any element using help-block
  margin-top: 5px;
  margin-bottom: 10px;
  color: lighten(@text-color, 25%); // lighten the text some for contrast
 }
 // Inline forms
 //
 // Make forms appear inline(-block) by adding the `.form-inline` class. Inline
 // forms begin stacked on extra small (mobile) devices and then go inline when
 // viewports reach <768px.
 //
 // Requires wrapping inputs and labels with `.form-group` for proper display of
 // default HTML form controls and our custom form controls (e.g., input groups).
 //
 // Heads up! This is mixin-ed into `.navbar-form` in navbars.less.
 .form-inline {
  // Kick in the inline
  @media (min-width: @screen-sm-min) {
    // Inline-block all the things for "inline"
    .form-group {
      display: inline-block;
      margin-bottom: 0;
      vertical-align: middle;
    }
    // In navbar-form, allow folks to *not* use `.form-group`
    .form-control {
      display: inline-block;
      width: auto; // Prevent labels from stacking above inputs in `.form-group`
      vertical-align: middle;
    }
    .input-group {
      display: inline-table;
      vertical-align: middle;
      .input-group-addon,
      .input-group-btn,
      .form-control {
        width: auto;
      }
    }
    // Input groups need that 100% width though
    .input-group > .form-control {
      width: 100%;
    }
    .control-label {
      margin-bottom: 0;
      vertical-align: middle;
    }
    // Remove default margin on radios/checkboxes that were used for stacking, and
    // then undo the floating of radios and checkboxes to match (which also avoids
    // a bug in WebKit: https://github.com/twbs/bootstrap/issues/1969).
    .radio,
    .checkbox {
      display: inline-block;
      margin-top: 0;
      margin-bottom: 0;
      vertical-align: middle;
      label {
        padding-left: 0;
      }
    }
    .radio input[type="radio"],
    .checkbox input[type="checkbox"] {
      position: relative;
      margin-left: 0;
    }
    // Validation states
    //
    // Reposition the icon because it's now within a grid column and columns have
    // `position: relative;` on them. Also accounts for the grid gutter padding.
    .has-feedback .form-control-feedback {
      top: 0;
    }
  }
 }
 // Horizontal forms
 //
 // Horizontal forms are built on grid classes and allow you to create forms with
 // labels on the left and inputs on the right.
 .form-horizontal {
  // Consistent vertical alignment of radios and checkboxes
  //
  // Labels also get some reset styles, but that is scoped to a media query below.
  .radio,
  .checkbox,
  .radio-inline,
  .checkbox-inline {
    margin-top: 0;
    margin-bottom: 0;
    padding-top: (@padding-base-vertical + 1); // Default padding plus a border
  }
  // Account for padding we're adding to ensure the alignment and of help text
  // and other content below items
  .radio,
  .checkbox {
    min-height: (@line-height-computed + (@padding-base-vertical + 1));
  }
  // Make form groups behave like rows
  .form-group {
    .make-row();
  }
  // Reset spacing and right align labels, but scope to media queries so that
  // labels on narrow viewports stack the same as a default form example.
  @media (min-width: @screen-sm-min) {
    .control-label {
      text-align: right;
      margin-bottom: 0;
      padding-top: (@padding-base-vertical + 1); // Default padding plus a border
    }
  }
  // Validation states
  //
  // Reposition the icon because it's now within a grid column and columns have
  // `position: relative;` on them. Also accounts for the grid gutter padding.
  .has-feedback .form-control-feedback {
    top: 0;
    right: (@grid-gutter-width / 2);
  }
  // Form group sizes
  //
  // Quick utility class for applying `.input-lg` and `.input-sm` styles to the
  // inputs and labels within a `.form-group`.
  .form-group-lg {
    @media (min-width: @screen-sm-min) {
      .control-label {
        padding-top: ((@padding-large-vertical * @line-height-large) + 1);
      }
    }
    .form-control {
      &:extend(.input-lg);
    }
  }
  .form-group-sm {
    @media (min-width: @screen-sm-min) {
      .control-label {
        padding-top: (@padding-small-vertical + 1);
      }
    }
    .form-control {
      &:extend(.input-sm);
    }
  }
 }
--- a/searx/static/oscar/less/bootstrap/glyphicons.less
+++ b/searx/static/oscar/less/bootstrap/glyphicons.less
@ -0,0 +1,233 @@
 //
 // Glyphicons for Bootstrap
 //
 // Since icons are fonts, they can be placed anywhere text is placed and are
 // thus automatically sized to match the surrounding child. To use, create an
 // inline element with the appropriate classes, like so:
 //
 // <a href="#"><span class="glyphicon glyphicon-star"></span> Star</a>
 // Import the fonts
@font-face {
  font-family: 'Glyphicons Halflings';
  src: url('@{icon-font-path}@{icon-font-name}.eot');
  src: url('@{icon-font-path}@{icon-font-name}.eot?#iefix') format('embedded-opentype'),
       url('@{icon-font-path}@{icon-font-name}.woff') format('woff'),
       url('@{icon-font-path}@{icon-font-name}.ttf') format('truetype'),
       url('@{icon-font-path}@{icon-font-name}.svg#@{icon-font-svg-id}') format('svg');
 }
 // Catchall baseclass
 .glyphicon {
  position: relative;
  top: 1px;
  display: inline-block;
  font-family: 'Glyphicons Halflings';
  font-style: normal;
  font-weight: normal;
  line-height: 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
 }
 // Individual icons
 .glyphicon-asterisk               { &:before { content: "\2a"; } }
 .glyphicon-plus                   { &:before { content: "\2b"; } }
 .glyphicon-euro                   { &:before { content: "\20ac"; } }
 .glyphicon-minus                  { &:before { content: "\2212"; } }
 .glyphicon-cloud                  { &:before { content: "\2601"; } }
 .glyphicon-envelope               { &:before { content: "\2709"; } }
 .glyphicon-pencil                 { &:before { content: "\270f"; } }
 .glyphicon-glass                  { &:before { content: "\e001"; } }
 .glyphicon-music                  { &:before { content: "\e002"; } }
 .glyphicon-search                 { &:before { content: "\e003"; } }
 .glyphicon-heart                  { &:before { content: "\e005"; } }
 .glyphicon-star                   { &:before { content: "\e006"; } }
 .glyphicon-star-empty             { &:before { content: "\e007"; } }
 .glyphicon-user                   { &:before { content: "\e008"; } }
 .glyphicon-film                   { &:before { content: "\e009"; } }
 .glyphicon-th-large               { &:before { content: "\e010"; } }
 .glyphicon-th                     { &:before { content: "\e011"; } }
 .glyphicon-th-list                { &:before { content: "\e012"; } }
 .glyphicon-ok                     { &:before { content: "\e013"; } }
 .glyphicon-remove                 { &:before { content: "\e014"; } }
 .glyphicon-zoom-in                { &:before { content: "\e015"; } }
 .glyphicon-zoom-out               { &:before { content: "\e016"; } }
 .glyphicon-off                    { &:before { content: "\e017"; } }
 .glyphicon-signal                 { &:before { content: "\e018"; } }
 .glyphicon-cog                    { &:before { content: "\e019"; } }
 .glyphicon-trash                  { &:before { content: "\e020"; } }
 .glyphicon-home                   { &:before { content: "\e021"; } }
 .glyphicon-file                   { &:before { content: "\e022"; } }
 .glyphicon-time                   { &:before { content: "\e023"; } }
 .glyphicon-road                   { &:before { content: "\e024"; } }
 .glyphicon-download-alt           { &:before { content: "\e025"; } }
 .glyphicon-download               { &:before { content: "\e026"; } }
 .glyphicon-upload                 { &:before { content: "\e027"; } }
 .glyphicon-inbox                  { &:before { content: "\e028"; } }
 .glyphicon-play-circle            { &:before { content: "\e029"; } }
 .glyphicon-repeat                 { &:before { content: "\e030"; } }
 .glyphicon-refresh                { &:before { content: "\e031"; } }
 .glyphicon-list-alt               { &:before { content: "\e032"; } }
 .glyphicon-lock                   { &:before { content: "\e033"; } }
 .glyphicon-flag                   { &:before { content: "\e034"; } }
 .glyphicon-headphones             { &:before { content: "\e035"; } }
 .glyphicon-volume-off             { &:before { content: "\e036"; } }
 .glyphicon-volume-down            { &:before { content: "\e037"; } }
 .glyphicon-volume-up              { &:before { content: "\e038"; } }
 .glyphicon-qrcode                 { &:before { content: "\e039"; } }
 .glyphicon-barcode                { &:before { content: "\e040"; } }
 .glyphicon-tag                    { &:before { content: "\e041"; } }
 .glyphicon-tags                   { &:before { content: "\e042"; } }
 .glyphicon-book                   { &:before { content: "\e043"; } }
 .glyphicon-bookmark               { &:before { content: "\e044"; } }
 .glyphicon-print                  { &:before { content: "\e045"; } }
 .glyphicon-camera                 { &:before { content: "\e046"; } }
 .glyphicon-font                   { &:before { content: "\e047"; } }
 .glyphicon-bold                   { &:before { content: "\e048"; } }
 .glyphicon-italic                 { &:before { content: "\e049"; } }
 .glyphicon-text-height            { &:before { content: "\e050"; } }
 .glyphicon-text-width             { &:before { content: "\e051"; } }
 .glyphicon-align-left             { &:before { content: "\e052"; } }
 .glyphicon-align-center           { &:before { content: "\e053"; } }
 .glyphicon-align-right            { &:before { content: "\e054"; } }
 .glyphicon-align-justify          { &:before { content: "\e055"; } }
 .glyphicon-list                   { &:before { content: "\e056"; } }
 .glyphicon-indent-left            { &:before { content: "\e057"; } }
 .glyphicon-indent-right           { &:before { content: "\e058"; } }
 .glyphicon-facetime-video         { &:before { content: "\e059"; } }
 .glyphicon-picture                { &:before { content: "\e060"; } }
 .glyphicon-map-marker             { &:before { content: "\e062"; } }
 .glyphicon-adjust                 { &:before { content: "\e063"; } }
 .glyphicon-tint                   { &:before { content: "\e064"; } }
 .glyphicon-edit                   { &:before { content: "\e065"; } }
 .glyphicon-share                  { &:before { content: "\e066"; } }
 .glyphicon-check                  { &:before { content: "\e067"; } }
 .glyphicon-move                   { &:before { content: "\e068"; } }
 .glyphicon-step-backward          { &:before { content: "\e069"; } }
 .glyphicon-fast-backward          { &:before { content: "\e070"; } }
 .glyphicon-backward               { &:before { content: "\e071"; } }
 .glyphicon-play                   { &:before { content: "\e072"; } }
 .glyphicon-pause                  { &:before { content: "\e073"; } }
 .glyphicon-stop                   { &:before { content: "\e074"; } }
 .glyphicon-forward                { &:before { content: "\e075"; } }
 .glyphicon-fast-forward           { &:before { content: "\e076"; } }
 .glyphicon-step-forward           { &:before { content: "\e077"; } }
 .glyphicon-eject                  { &:before { content: "\e078"; } }
 .glyphicon-chevron-left           { &:before { content: "\e079"; } }
 .glyphicon-chevron-right          { &:before { content: "\e080"; } }
 .glyphicon-plus-sign              { &:before { content: "\e081"; } }
 .glyphicon-minus-sign             { &:before { content: "\e082"; } }
 .glyphicon-remove-sign            { &:before { content: "\e083"; } }
 .glyphicon-ok-sign                { &:before { content: "\e084"; } }
 .glyphicon-question-sign          { &:before { content: "\e085"; } }
 .glyphicon-info-sign              { &:before { content: "\e086"; } }
 .glyphicon-screenshot             { &:before { content: "\e087"; } }
 .glyphicon-remove-circle          { &:before { content: "\e088"; } }
 .glyphicon-ok-circle              { &:before { content: "\e089"; } }
 .glyphicon-ban-circle             { &:before { content: "\e090"; } }
 .glyphicon-arrow-left             { &:before { content: "\e091"; } }
 .glyphicon-arrow-right            { &:before { content: "\e092"; } }
 .glyphicon-arrow-up               { &:before { content: "\e093"; } }
 .glyphicon-arrow-down             { &:before { content: "\e094"; } }
 .glyphicon-share-alt              { &:before { content: "\e095"; } }
 .glyphicon-resize-full            { &:before { content: "\e096"; } }
 .glyphicon-resize-small           { &:before { content: "\e097"; } }
 .glyphicon-exclamation-sign       { &:before { content: "\e101"; } }
 .glyphicon-gift                   { &:before { content: "\e102"; } }
 .glyphicon-leaf                   { &:before { content: "\e103"; } }
 .glyphicon-fire                   { &:before { content: "\e104"; } }
 .glyphicon-eye-open               { &:before { content: "\e105"; } }
 .glyphicon-eye-close              { &:before { content: "\e106"; } }
 .glyphicon-warning-sign           { &:before { content: "\e107"; } }
 .glyphicon-plane                  { &:before { content: "\e108"; } }
 .glyphicon-calendar               { &:before { content: "\e109"; } }
 .glyphicon-random                 { &:before { content: "\e110"; } }
 .glyphicon-comment                { &:before { content: "\e111"; } }
 .glyphicon-magnet                 { &:before { content: "\e112"; } }
 .glyphicon-chevron-up             { &:before { content: "\e113"; } }
 .glyphicon-chevron-down           { &:before { content: "\e114"; } }
 .glyphicon-retweet                { &:before { content: "\e115"; } }
 .glyphicon-shopping-cart          { &:before { content: "\e116"; } }
 .glyphicon-folder-close           { &:before { content: "\e117"; } }
 .glyphicon-folder-open            { &:before { content: "\e118"; } }
 .glyphicon-resize-vertical        { &:before { content: "\e119"; } }
 .glyphicon-resize-horizontal      { &:before { content: "\e120"; } }
 .glyphicon-hdd                    { &:before { content: "\e121"; } }
 .glyphicon-bullhorn               { &:before { content: "\e122"; } }
 .glyphicon-bell                   { &:before { content: "\e123"; } }
 .glyphicon-certificate            { &:before { content: "\e124"; } }
 .glyphicon-thumbs-up              { &:before { content: "\e125"; } }
 .glyphicon-thumbs-down            { &:before { content: "\e126"; } }
 .glyphicon-hand-right             { &:before { content: "\e127"; } }
 .glyphicon-hand-left              { &:before { content: "\e128"; } }
 .glyphicon-hand-up                { &:before { content: "\e129"; } }
 .glyphicon-hand-down              { &:before { content: "\e130"; } }
 .glyphicon-circle-arrow-right     { &:before { content: "\e131"; } }
 .glyphicon-circle-arrow-left      { &:before { content: "\e132"; } }
 .glyphicon-circle-arrow-up        { &:before { content: "\e133"; } }
 .glyphicon-circle-arrow-down      { &:before { content: "\e134"; } }
 .glyphicon-globe                  { &:before { content: "\e135"; } }
 .glyphicon-wrench                 { &:before { content: "\e136"; } }
 .glyphicon-tasks                  { &:before { content: "\e137"; } }
 .glyphicon-filter                 { &:before { content: "\e138"; } }
 .glyphicon-briefcase              { &:before { content: "\e139"; } }
 .glyphicon-fullscreen             { &:before { content: "\e140"; } }
 .glyphicon-dashboard              { &:before { content: "\e141"; } }
 .glyphicon-paperclip              { &:before { content: "\e142"; } }
 .glyphicon-heart-empty            { &:before { content: "\e143"; } }
 .glyphicon-link                   { &:before { content: "\e144"; } }
 .glyphicon-phone                  { &:before { content: "\e145"; } }
 .glyphicon-pushpin                { &:before { content: "\e146"; } }
 .glyphicon-usd                    { &:before { content: "\e148"; } }
 .glyphicon-gbp                    { &:before { content: "\e149"; } }
 .glyphicon-sort                   { &:before { content: "\e150"; } }
 .glyphicon-sort-by-alphabet       { &:before { content: "\e151"; } }
 .glyphicon-sort-by-alphabet-alt   { &:before { content: "\e152"; } }
 .glyphicon-sort-by-order          { &:before { content: "\e153"; } }
 .glyphicon-sort-by-order-alt      { &:before { content: "\e154"; } }
 .glyphicon-sort-by-attributes     { &:before { content: "\e155"; } }
 .glyphicon-sort-by-attributes-alt { &:before { content: "\e156"; } }
 .glyphicon-unchecked              { &:before { content: "\e157"; } }
 .glyphicon-expand                 { &:before { content: "\e158"; } }
 .glyphicon-collapse-down          { &:before { content: "\e159"; } }
 .glyphicon-collapse-up            { &:before { content: "\e160"; } }
 .glyphicon-log-in                 { &:before { content: "\e161"; } }
 .glyphicon-flash                  { &:before { content: "\e162"; } }
 .glyphicon-log-out                { &:before { content: "\e163"; } }
 .glyphicon-new-window             { &:before { content: "\e164"; } }
 .glyphicon-record                 { &:before { content: "\e165"; } }
 .glyphicon-save                   { &:before { content: "\e166"; } }
 .glyphicon-open                   { &:before { content: "\e167"; } }
 .glyphicon-saved                  { &:before { content: "\e168"; } }
 .glyphicon-import                 { &:before { content: "\e169"; } }
 .glyphicon-export                 { &:before { content: "\e170"; } }
 .glyphicon-send                   { &:before { content: "\e171"; } }
 .glyphicon-floppy-disk            { &:before { content: "\e172"; } }
 .glyphicon-floppy-saved           { &:before { content: "\e173"; } }
 .glyphicon-floppy-remove          { &:before { content: "\e174"; } }
 .glyphicon-floppy-save            { &:before { content: "\e175"; } }
 .glyphicon-floppy-open            { &:before { content: "\e176"; } }
 .glyphicon-credit-card            { &:before { content: "\e177"; } }
 .glyphicon-transfer               { &:before { content: "\e178"; } }
 .glyphicon-cutlery                { &:before { content: "\e179"; } }
 .glyphicon-header                 { &:before { content: "\e180"; } }
 .glyphicon-compressed             { &:before { content: "\e181"; } }
 .glyphicon-earphone               { &:before { content: "\e182"; } }
 .glyphicon-phone-alt              { &:before { content: "\e183"; } }
 .glyphicon-tower                  { &:before { content: "\e184"; } }
 .glyphicon-stats                  { &:before { content: "\e185"; } }
 .glyphicon-sd-video               { &:before { content: "\e186"; } }
 .glyphicon-hd-video               { &:before { content: "\e187"; } }
 .glyphicon-subtitles              { &:before { content: "\e188"; } }
 .glyphicon-sound-stereo           { &:before { content: "\e189"; } }
 .glyphicon-sound-dolby            { &:before { content: "\e190"; } }
 .glyphicon-sound-5-1              { &:before { content: "\e191"; } }
 .glyphicon-sound-6-1              { &:before { content: "\e192"; } }
 .glyphicon-sound-7-1              { &:before { content: "\e193"; } }
 .glyphicon-copyright-mark         { &:before { content: "\e194"; } }
 .glyphicon-registration-mark      { &:before { content: "\e195"; } }
 .glyphicon-cloud-download         { &:before { content: "\e197"; } }
 .glyphicon-cloud-upload           { &:before { content: "\e198"; } }
 .glyphicon-tree-conifer           { &:before { content: "\e199"; } }
 .glyphicon-tree-deciduous         { &:before { content: "\e200"; } }
--- a/searx/static/oscar/less/bootstrap/grid.less
+++ b/searx/static/oscar/less/bootstrap/grid.less
@ -0,0 +1,84 @@
 //
 // Grid system
 // --------------------------------------------------
 // Container widths
 //
 // Set the container width, and override it for fixed navbars in media queries.
 .container {
  .container-fixed();
  @media (min-width: @screen-sm-min) {
    width: @container-sm;
  }
  @media (min-width: @screen-md-min) {
    width: @container-md;
  }
  @media (min-width: @screen-lg-min) {
    width: @container-lg;
  }
 }
 // Fluid container
 //
 // Utilizes the mixin meant for fixed width containers, but without any defined
 // width for fluid, full width layouts.
 .container-fluid {
  .container-fixed();
 }
 // Row
 //
 // Rows contain and clear the floats of your columns.
 .row {
  .make-row();
 }
 // Columns
 //
 // Common styles for small and large grid columns
 .make-grid-columns();
 // Extra small grid
 //
 // Columns, offsets, pushes, and pulls for extra small devices like
 // smartphones.
 .make-grid(xs);
 // Small grid
 //
 // Columns, offsets, pushes, and pulls for the small device range, from phones
 // to tablets.
@media (min-width: @screen-sm-min) {
  .make-grid(sm);
 }
 // Medium grid
 //
 // Columns, offsets, pushes, and pulls for the desktop device range.
@media (min-width: @screen-md-min) {
  .make-grid(md);
 }
 // Large grid
 //
 // Columns, offsets, pushes, and pulls for the large desktop device range.
@media (min-width: @screen-lg-min) {
  .make-grid(lg);
 }
--- a/searx/static/oscar/less/bootstrap/input-groups.less
+++ b/searx/static/oscar/less/bootstrap/input-groups.less
@ -0,0 +1,166 @@
 //
 // Input groups
 // --------------------------------------------------
 // Base styles
 // -------------------------
 .input-group {
  position: relative; // For dropdowns
  display: table;
  border-collapse: separate; // prevent input groups from inheriting border styles from table cells when placed within a table
  // Undo padding and float of grid classes
  &[class*="col-"] {
    float: none;
    padding-left: 0;
    padding-right: 0;
  }
  .form-control {
    // Ensure that the input is always above the *appended* addon button for
    // proper border colors.
    position: relative;
    z-index: 2;
    // IE9 fubars the placeholder attribute in text inputs and the arrows on
    // select elements in input groups. To fix it, we float the input. Details:
    // https://github.com/twbs/bootstrap/issues/11561#issuecomment-28936855
    float: left;
    width: 100%;
    margin-bottom: 0;
  }
 }
 // Sizing options
 //
 // Remix the default form control sizing classes into new ones for easier
 // manipulation.
 .input-group-lg > .form-control,
 .input-group-lg > .input-group-addon,
 .input-group-lg > .input-group-btn > .btn {
  .input-lg();
 }
 .input-group-sm > .form-control,
 .input-group-sm > .input-group-addon,
 .input-group-sm > .input-group-btn > .btn {
  .input-sm();
 }
 // Display as table-cell
 // -------------------------
 .input-group-addon,
 .input-group-btn,
 .input-group .form-control {
  display: table-cell;
  &:not(:first-child):not(:last-child) {
    border-radius: 0;
  }
 }
 // Addon and addon wrapper for buttons
 .input-group-addon,
 .input-group-btn {
  width: 1%;
  white-space: nowrap;
  vertical-align: middle; // Match the inputs
 }
 // Text input groups
 // -------------------------
 .input-group-addon {
  padding: @padding-base-vertical @padding-base-horizontal;
  font-size: @font-size-base;
  font-weight: normal;
  line-height: 1;
  color: @input-color;
  text-align: center;
  background-color: @input-group-addon-bg;
  border: 1px solid @input-group-addon-border-color;
  border-radius: @border-radius-base;
  // Sizing
  &.input-sm {
    padding: @padding-small-vertical @padding-small-horizontal;
    font-size: @font-size-small;
    border-radius: @border-radius-small;
  }
  &.input-lg {
    padding: @padding-large-vertical @padding-large-horizontal;
    font-size: @font-size-large;
    border-radius: @border-radius-large;
  }
  // Nuke default margins from checkboxes and radios to vertically center within.
  input[type="radio"],
  input[type="checkbox"] {
    margin-top: 0;
  }
 }
 // Reset rounded corners
 .input-group .form-control:first-child,
 .input-group-addon:first-child,
 .input-group-btn:first-child > .btn,
 .input-group-btn:first-child > .btn-group > .btn,
 .input-group-btn:first-child > .dropdown-toggle,
 .input-group-btn:last-child > .btn:not(:last-child):not(.dropdown-toggle),
 .input-group-btn:last-child > .btn-group:not(:last-child) > .btn {
  .border-right-radius(0);
 }
 .input-group-addon:first-child {
  border-right: 0;
 }
 .input-group .form-control:last-child,
 .input-group-addon:last-child,
 .input-group-btn:last-child > .btn,
 .input-group-btn:last-child > .btn-group > .btn,
 .input-group-btn:last-child > .dropdown-toggle,
 .input-group-btn:first-child > .btn:not(:first-child),
 .input-group-btn:first-child > .btn-group:not(:first-child) > .btn {
  .border-left-radius(0);
 }
 .input-group-addon:last-child {
  border-left: 0;
 }
 // Button input groups
 // -------------------------
 .input-group-btn {
  position: relative;
  // Jankily prevent input button groups from wrapping with `white-space` and
  // `font-size` in combination with `inline-block` on buttons.
  font-size: 0;
  white-space: nowrap;
  // Negative margin for spacing, position for bringing hovered/focused/actived
  // element above the siblings.
  > .btn {
    position: relative;
    + .btn {
      margin-left: -1px;
    }
    // Bring the "active" button to the front
    &:hover,
    &:focus,
    &:active {
      z-index: 2;
    }
  }
  // Negative margin to only have a 1px border between the two
  &:first-child {
    > .btn,
    > .btn-group {
      margin-right: -1px;
    }
  }
  &:last-child {
    > .btn,
    > .btn-group {
      margin-left: -1px;
    }
  }
 }
--- a/searx/static/oscar/less/bootstrap/jumbotron.less
+++ b/searx/static/oscar/less/bootstrap/jumbotron.less
@ -0,0 +1,48 @@
 //
 // Jumbotron
 // --------------------------------------------------
 .jumbotron {
  padding: @jumbotron-padding;
  margin-bottom: @jumbotron-padding;
  color: @jumbotron-color;
  background-color: @jumbotron-bg;
  h1,
  .h1 {
    color: @jumbotron-heading-color;
  }
  p {
    margin-bottom: (@jumbotron-padding / 2);
    font-size: @jumbotron-font-size;
    font-weight: 200;
  }
  > hr {
    border-top-color: darken(@jumbotron-bg, 10%);
  }
  .container & {
    border-radius: @border-radius-large; // Only round corners at higher resolutions if contained in a container
  }
  .container {
    max-width: 100%;
  }
  @media screen and (min-width: @screen-sm-min) {
    padding-top:    (@jumbotron-padding * 1.6);
    padding-bottom: (@jumbotron-padding * 1.6);
    .container & {
      padding-left:  (@jumbotron-padding * 2);
      padding-right: (@jumbotron-padding * 2);
    }
    h1,
    .h1 {
      font-size: (@font-size-base * 4.5);
    }
  }
 }
--- a/searx/static/oscar/less/bootstrap/labels.less
+++ b/searx/static/oscar/less/bootstrap/labels.less
@ -0,0 +1,64 @@
 //
 // Labels
 // --------------------------------------------------
 .label {
  display: inline;
  padding: .2em .6em .3em;
  font-size: 75%;
  font-weight: bold;
  line-height: 1;
  color: @label-color;
  text-align: center;
  white-space: nowrap;
  vertical-align: baseline;
  border-radius: .25em;
  // Add hover effects, but only for links
  a& {
    &:hover,
    &:focus {
      color: @label-link-hover-color;
      text-decoration: none;
      cursor: pointer;
    }
  }
  // Empty labels collapse automatically (not available in IE8)
  &:empty {
    display: none;
  }
  // Quick fix for labels in buttons
  .btn & {
    position: relative;
    top: -1px;
  }
 }
 // Colors
 // Contextual variations (linked labels get darker on :hover)
 .label-default {
  .label-variant(@label-default-bg);
 }
 .label-primary {
  .label-variant(@label-primary-bg);
 }
 .label-success {
  .label-variant(@label-success-bg);
 }
 .label-info {
  .label-variant(@label-info-bg);
 }
 .label-warning {
  .label-variant(@label-warning-bg);
 }
 .label-danger {
  .label-variant(@label-danger-bg);
 }
--- a/searx/static/oscar/less/bootstrap/list-group.less
+++ b/searx/static/oscar/less/bootstrap/list-group.less
@ -0,0 +1,131 @@
 //
 // List groups
 // --------------------------------------------------
 // Base class
 //
 // Easily usable on <ul>, <ol>, or <div>.
 .list-group {
  // No need to set list-style: none; since .list-group-item is block level
  margin-bottom: 20px;
  padding-left: 0; // reset padding because ul and ol
 }
 // Individual list items
 //
 // Use on `li`s or `div`s within the `.list-group` parent.
 .list-group-item {
  position: relative;
  display: block;
  padding: 10px 15px;
  // Place the border on the list items and negative margin up for better styling
  margin-bottom: -1px;
  background-color: @list-group-bg;
  border: 1px solid @list-group-border;
  // Round the first and last items
  &:first-child {
    .border-top-radius(@list-group-border-radius);
  }
  &:last-child {
    margin-bottom: 0;
    .border-bottom-radius(@list-group-border-radius);
  }
  // Align badges within list items
  > .badge {
    float: right;
  }
  > .badge + .badge {
    margin-right: 5px;
  }
 }
 // Linked list items
 //
 // Use anchor elements instead of `li`s or `div`s to create linked list items.
 // Includes an extra `.active` modifier class for showing selected items.
 a.list-group-item {
  color: @list-group-link-color;
  .list-group-item-heading {
    color: @list-group-link-heading-color;
  }
  // Hover state
  &:hover,
  &:focus {
    text-decoration: none;
    color: @list-group-link-hover-color;
    background-color: @list-group-hover-bg;
  }
 }
 .list-group-item {
  // Disabled state
  &.disabled,
  &.disabled:hover,
  &.disabled:focus {
    background-color: @list-group-disabled-bg;
    color: @list-group-disabled-color;
    // Force color to inherit for custom content
    .list-group-item-heading {
      color: inherit;
    }
    .list-group-item-text {
      color: @list-group-disabled-text-color;
    }
  }
  // Active class on item itself, not parent
  &.active,
  &.active:hover,
  &.active:focus {
    z-index: 2; // Place active items above their siblings for proper border styling
    color: @list-group-active-color;
    background-color: @list-group-active-bg;
    border-color: @list-group-active-border;
    // Force color to inherit for custom content
    .list-group-item-heading,
    .list-group-item-heading > small,
    .list-group-item-heading > .small {
      color: inherit;
    }
    .list-group-item-text {
      color: @list-group-active-text-color;
    }
  }
 }
 // Contextual variants
 //
 // Add modifier classes to change text and background color on individual items.
 // Organizationally, this must come after the `:hover` states.
 .list-group-item-variant(success; @state-success-bg; @state-success-text);
 .list-group-item-variant(info; @state-info-bg; @state-info-text);
 .list-group-item-variant(warning; @state-warning-bg; @state-warning-text);
 .list-group-item-variant(danger; @state-danger-bg; @state-danger-text);
 // Custom content options
 //
 // Extra classes for creating well-formatted content within `.list-group-item`s.
 .list-group-item-heading {
  margin-top: 0;
  margin-bottom: 5px;
 }
 .list-group-item-text {
  margin-bottom: 0;
  line-height: 1.3;
 }
--- a/searx/static/oscar/less/bootstrap/media.less
+++ b/searx/static/oscar/less/bootstrap/media.less
@ -0,0 +1,56 @@
 // Media objects
 // Source: http://stubbornella.org/content/?p=497
 // --------------------------------------------------
 // Common styles
 // -------------------------
 // Clear the floats
 .media,
 .media-body {
  overflow: hidden;
  zoom: 1;
 }
 // Proper spacing between instances of .media
 .media,
 .media .media {
  margin-top: 15px;
 }
 .media:first-child {
  margin-top: 0;
 }
 // For images and videos, set to block
 .media-object {
  display: block;
 }
 // Reset margins on headings for tighter default spacing
 .media-heading {
  margin: 0 0 5px;
 }
 // Media image alignment
 // -------------------------
 .media {
  > .pull-left {
    margin-right: 10px;
  }
  > .pull-right {
    margin-left: 10px;
  }
 }
 // Media list variation
 // -------------------------
 // Undo default ul/ol styles
 .media-list {
  padding-left: 0;
  list-style: none;
 }
--- a/searx/static/oscar/less/bootstrap/mixins.less
+++ b/searx/static/oscar/less/bootstrap/mixins.less
@ -0,0 +1,39 @@
 // Mixins
 // --------------------------------------------------
 // Utilities
@import "mixins/hide-text.less";
@import "mixins/opacity.less";
@import "mixins/image.less";
@import "mixins/labels.less";
@import "mixins/reset-filter.less";
@import "mixins/resize.less";
@import "mixins/responsive-visibility.less";
@import "mixins/size.less";
@import "mixins/tab-focus.less";
@import "mixins/text-emphasis.less";
@import "mixins/text-overflow.less";
@import "mixins/vendor-prefixes.less";
 // Components
@import "mixins/alerts.less";
@import "mixins/buttons.less";
@import "mixins/panels.less";
@import "mixins/pagination.less";
@import "mixins/list-group.less";
@import "mixins/nav-divider.less";
@import "mixins/forms.less";
@import "mixins/progress-bar.less";
@import "mixins/table-row.less";
 // Skins
@import "mixins/background-variant.less";
@import "mixins/border-radius.less";
@import "mixins/gradients.less";
 // Layout
@import "mixins/clearfix.less";
@import "mixins/center-block.less";
@import "mixins/nav-vertical-align.less";
@import "mixins/grid-framework.less";
@import "mixins/grid.less";
--- a/searx/static/oscar/less/bootstrap/mixins/alerts.less
+++ b/searx/static/oscar/less/bootstrap/mixins/alerts.less
@ -0,0 +1,14 @@
 // Alerts
 .alert-variant(@background; @border; @text-color) {
  background-color: @background;
  border-color: @border;
  color: @text-color;
  hr {
    border-top-color: darken(@border, 5%);
  }
  .alert-link {
    color: darken(@text-color, 10%);
  }
 }
--- a/searx/static/oscar/less/bootstrap/mixins/background-variant.less
+++ b/searx/static/oscar/less/bootstrap/mixins/background-variant.less
@ -0,0 +1,8 @@
 // Contextual backgrounds
 .bg-variant(@color) {
  background-color: @color;
  a&:hover {
    background-color: darken(@color, 10%);
  }
 }
--- a/searx/static/oscar/less/bootstrap/mixins/border-radius.less
+++ b/searx/static/oscar/less/bootstrap/mixins/border-radius.less
@ -0,0 +1,18 @@
 // Single side border-radius
 .border-top-radius(@radius) {
  border-top-right-radius: @radius;
   border-top-left-radius: @radius;
 }
 .border-right-radius(@radius) {
  border-bottom-right-radius: @radius;
     border-top-right-radius: @radius;
 }
 .border-bottom-radius(@radius) {
  border-bottom-right-radius: @radius;
   border-bottom-left-radius: @radius;
 }
 .border-left-radius(@radius) {
  border-bottom-left-radius: @radius;
     border-top-left-radius: @radius;
 }
--- a/searx/static/oscar/less/bootstrap/mixins/buttons.less
+++ b/searx/static/oscar/less/bootstrap/mixins/buttons.less
@ -0,0 +1,50 @@
 // Button variants
 //
 // Easily pump out default styles, as well as :hover, :focus, :active,
 // and disabled options for all buttons
 .button-variant(@color; @background; @border) {
  color: @color;
  background-color: @background;
  border-color: @border;
  &:hover,
  &:focus,
  &:active,
  &.active,
  .open > .dropdown-toggle& {
    color: @color;
    background-color: darken(@background, 10%);
        border-color: darken(@border, 12%);
  }
  &:active,
  &.active,
  .open > .dropdown-toggle& {
    background-image: none;
  }
  &.disabled,
  &[disabled],
  fieldset[disabled] & {
    &,
    &:hover,
    &:focus,
    &:active,
    &.active {
      background-color: @background;
          border-color: @border;
    }
  }
  .badge {
    color: @background;
    background-color: @color;
  }
 }
 // Button sizes
 .button-size(@padding-vertical; @padding-horizontal; @font-size; @line-height; @border-radius) {
  padding: @padding-vertical @padding-horizontal;
  font-size: @font-size;
  line-height: @line-height;
  border-radius: @border-radius;
 }
--- a/searx/static/oscar/less/bootstrap/mixins/center-block.less
+++ b/searx/static/oscar/less/bootstrap/mixins/center-block.less
@ -0,0 +1,7 @@
 // Center-align a block level element
 .center-block() {
  display: block;
  margin-left: auto;
  margin-right: auto;
 }
--- a/searx/static/oscar/less/bootstrap/mixins/clearfix.less
+++ b/searx/static/oscar/less/bootstrap/mixins/clearfix.less
@ -0,0 +1,22 @@
 // Clearfix
 //
 // For modern browsers
 // 1. The space content is one way to avoid an Opera bug when the
 //    contenteditable attribute is included anywhere else in the document.
 //    Otherwise it causes space to appear at the top and bottom of elements
 //    that are clearfixed.
 // 2. The use of `table` rather than `block` is only necessary if using
 //    `:before` to contain the top-margins of child elements.
 //
 // Source: http://nicolasgallagher.com/micro-clearfix-hack/
 .clearfix() {
  &:before,
  &:after {
    content: " "; // 1
    display: table; // 2
  }
  &:after {
    clear: both;
  }
 }
--- a/searx/static/oscar/less/bootstrap/mixins/forms.less
+++ b/searx/static/oscar/less/bootstrap/mixins/forms.less
@ -0,0 +1,81 @@
 // Form validation states
 //
 // Used in forms.less to generate the form validation CSS for warnings, errors,
 // and successes.
 .form-control-validation(@text-color: #555; @border-color: #ccc; @background-color: #f5f5f5) {
  // Color the label and help text
  .help-block,
  .control-label,
  .radio,
  .checkbox,
  .radio-inline,
  .checkbox-inline  {
    color: @text-color;
  }
  // Set the border and box shadow on specific inputs to match
  .form-control {
    border-color: @border-color;
    .box-shadow(inset 0 1px 1px rgba(0,0,0,.075)); // Redeclare so transitions work
    &:focus {
      border-color: darken(@border-color, 10%);
      @shadow: inset 0 1px 1px rgba(0,0,0,.075), 0 0 6px lighten(@border-color, 20%);
      .box-shadow(@shadow);
    }
  }
  // Set validation states also for addons
  .input-group-addon {
    color: @text-color;
    border-color: @border-color;
    background-color: @background-color;
  }
  // Optional feedback icon
  .form-control-feedback {
    color: @text-color;
  }
 }
 // Form control focus state
 //
 // Generate a customized focus state and for any input with the specified color,
 // which defaults to the `@input-border-focus` variable.
 //
 // We highly encourage you to not customize the default value, but instead use
 // this to tweak colors on an as-needed basis. This aesthetic change is based on
 // WebKit's default styles, but applicable to a wider range of browsers. Its
 // usability and accessibility should be taken into account with any change.
 //
 // Example usage: change the default blue border and shadow to white for better
 // contrast against a dark gray background.
 .form-control-focus(@color: @input-border-focus) {
  @color-rgba: rgba(red(@color), green(@color), blue(@color), .6);
  &:focus {
    border-color: @color;
    outline: 0;
    .box-shadow(~"inset 0 1px 1px rgba(0,0,0,.075), 0 0 8px @{color-rgba}");
  }
 }
 // Form control sizing
 //
 // Relative text size, padding, and border-radii changes for form controls. For
 // horizontal sizing, wrap controls in the predefined grid classes. `<select>`
 // element gets special love because it's special, and that's a fact!
 .input-size(@input-height; @padding-vertical; @padding-horizontal; @font-size; @line-height; @border-radius) {
  height: @input-height;
  padding: @padding-vertical @padding-horizontal;
  font-size: @font-size;
  line-height: @line-height;
  border-radius: @border-radius;
  select& {
    height: @input-height;
    line-height: @input-height;
  }
  textarea&,
  select[multiple]& {
    height: auto;
  }
 }
--- a/searx/static/oscar/less/bootstrap/mixins/gradients.less
+++ b/searx/static/oscar/less/bootstrap/mixins/gradients.less
@ -0,0 +1,59 @@
 // Gradients
 #gradient {
  // Horizontal gradient, from left to right
  //
  // Creates two color stops, start and end, by specifying a color and position for each color stop.
  // Color stops are not available in IE9 and below.
  .horizontal(@start-color: #555; @end-color: #333; @start-percent: 0%; @end-percent: 100%) {
    background-image: -webkit-linear-gradient(left, @start-color @start-percent, @end-color @end-percent); // Safari 5.1-6, Chrome 10+
    background-image: -o-linear-gradient(left, @start-color @start-percent, @end-color @end-percent); // Opera 12
    background-image: linear-gradient(to right, @start-color @start-percent, @end-color @end-percent); // Standard, IE10, Firefox 16+, Opera 12.10+, Safari 7+, Chrome 26+
    background-repeat: repeat-x;
    filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=1)",argb(@start-color),argb(@end-color))); // IE9 and down
  }
  // Vertical gradient, from top to bottom
  //
  // Creates two color stops, start and end, by specifying a color and position for each color stop.
  // Color stops are not available in IE9 and below.
  .vertical(@start-color: #555; @end-color: #333; @start-percent: 0%; @end-percent: 100%) {
    background-image: -webkit-linear-gradient(top, @start-color @start-percent, @end-color @end-percent);  // Safari 5.1-6, Chrome 10+
    background-image: -o-linear-gradient(top, @start-color @start-percent, @end-color @end-percent);  // Opera 12
    background-image: linear-gradient(to bottom, @start-color @start-percent, @end-color @end-percent); // Standard, IE10, Firefox 16+, Opera 12.10+, Safari 7+, Chrome 26+
    background-repeat: repeat-x;
    filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=0)",argb(@start-color),argb(@end-color))); // IE9 and down
  }
  .directional(@start-color: #555; @end-color: #333; @deg: 45deg) {
    background-repeat: repeat-x;
    background-image: -webkit-linear-gradient(@deg, @start-color, @end-color); // Safari 5.1-6, Chrome 10+
    background-image: -o-linear-gradient(@deg, @start-color, @end-color); // Opera 12
    background-image: linear-gradient(@deg, @start-color, @end-color); // Standard, IE10, Firefox 16+, Opera 12.10+, Safari 7+, Chrome 26+
  }
  .horizontal-three-colors(@start-color: #00b3ee; @mid-color: #7a43b6; @color-stop: 50%; @end-color: #c3325f) {
    background-image: -webkit-linear-gradient(left, @start-color, @mid-color @color-stop, @end-color);
    background-image: -o-linear-gradient(left, @start-color, @mid-color @color-stop, @end-color);
    background-image: linear-gradient(to right, @start-color, @mid-color @color-stop, @end-color);
    background-repeat: no-repeat;
    filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=1)",argb(@start-color),argb(@end-color))); // IE9 and down, gets no color-stop at all for proper fallback
  }
  .vertical-three-colors(@start-color: #00b3ee; @mid-color: #7a43b6; @color-stop: 50%; @end-color: #c3325f) {
    background-image: -webkit-linear-gradient(@start-color, @mid-color @color-stop, @end-color);
    background-image: -o-linear-gradient(@start-color, @mid-color @color-stop, @end-color);
    background-image: linear-gradient(@start-color, @mid-color @color-stop, @end-color);
    background-repeat: no-repeat;
    filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=0)",argb(@start-color),argb(@end-color))); // IE9 and down, gets no color-stop at all for proper fallback
  }
  .radial(@inner-color: #555; @outer-color: #333) {
    background-image: -webkit-radial-gradient(circle, @inner-color, @outer-color);
    background-image: radial-gradient(circle, @inner-color, @outer-color);
    background-repeat: no-repeat;
  }
  .striped(@color: rgba(255,255,255,.15); @angle: 45deg) {
    background-image: -webkit-linear-gradient(@angle, @color 25%, transparent 25%, transparent 50%, @color 50%, @color 75%, transparent 75%, transparent);
    background-image: -o-linear-gradient(@angle, @color 25%, transparent 25%, transparent 50%, @color 50%, @color 75%, transparent 75%, transparent);
    background-image: linear-gradient(@angle, @color 25%, transparent 25%, transparent 50%, @color 50%, @color 75%, transparent 75%, transparent);
  }
 }
--- a/searx/static/oscar/less/bootstrap/mixins/grid-framework.less
+++ b/searx/static/oscar/less/bootstrap/mixins/grid-framework.less
@ -0,0 +1,91 @@
 // Framework grid generation
 //
 // Used only by Bootstrap to generate the correct number of grid classes given
 // any value of `@grid-columns`.
 .make-grid-columns() {
  // Common styles for all sizes of grid columns, widths 1-12
  .col(@index) when (@index = 1) { // initial
    @item: ~".col-xs-@{index}, .col-sm-@{index}, .col-md-@{index}, .col-lg-@{index}";
    .col((@index + 1), @item);
  }
  .col(@index, @list) when (@index =< @grid-columns) { // general; "=<" isn't a typo
    @item: ~".col-xs-@{index}, .col-sm-@{index}, .col-md-@{index}, .col-lg-@{index}";
    .col((@index + 1), ~"@{list}, @{item}");
  }
  .col(@index, @list) when (@index > @grid-columns) { // terminal
    @{list} {
      position: relative;
      // Prevent columns from collapsing when empty
      min-height: 1px;
      // Inner gutter via padding
      padding-left:  (@grid-gutter-width / 2);
      padding-right: (@grid-gutter-width / 2);
    }
  }
  .col(1); // kickstart it
 }
 .float-grid-columns(@class) {
  .col(@index) when (@index = 1) { // initial
    @item: ~".col-@{class}-@{index}";
    .col((@index + 1), @item);
  }
  .col(@index, @list) when (@index =< @grid-columns) { // general
    @item: ~".col-@{class}-@{index}";
    .col((@index + 1), ~"@{list}, @{item}");
  }
  .col(@index, @list) when (@index > @grid-columns) { // terminal
    @{list} {
      float: left;
    }
  }
  .col(1); // kickstart it
 }
 .calc-grid-column(@index, @class, @type) when (@type = width) and (@index > 0) {
  .col-@{class}-@{index} {
    width: percentage((@index / @grid-columns));
  }
 }
 .calc-grid-column(@index, @class, @type) when (@type = push) and (@index > 0) {
  .col-@{class}-push-@{index} {
    left: percentage((@index / @grid-columns));
  }
 }
 .calc-grid-column(@index, @class, @type) when (@type = push) and (@index = 0) {
  .col-@{class}-push-0 {
    left: auto;
  }
 }
 .calc-grid-column(@index, @class, @type) when (@type = pull) and (@index > 0) {
  .col-@{class}-pull-@{index} {
    right: percentage((@index / @grid-columns));
  }
 }
 .calc-grid-column(@index, @class, @type) when (@type = pull) and (@index = 0) {
  .col-@{class}-pull-0 {
    right: auto;
  }
 }
 .calc-grid-column(@index, @class, @type) when (@type = offset) {
  .col-@{class}-offset-@{index} {
    margin-left: percentage((@index / @grid-columns));
  }
 }
 // Basic looping in LESS
 .loop-grid-columns(@index, @class, @type) when (@index >= 0) {
  .calc-grid-column(@index, @class, @type);
  // next iteration
  .loop-grid-columns((@index - 1), @class, @type);
 }
 // Create grid for specific class
 .make-grid(@class) {
  .float-grid-columns(@class);
  .loop-grid-columns(@grid-columns, @class, width);
  .loop-grid-columns(@grid-columns, @class, pull);
  .loop-grid-columns(@grid-columns, @class, push);
  .loop-grid-columns(@grid-columns, @class, offset);
 }
--- a/searx/static/oscar/less/bootstrap/mixins/grid.less
+++ b/searx/static/oscar/less/bootstrap/mixins/grid.less
@ -0,0 +1,122 @@
 // Grid system
 //
 // Generate semantic grid columns with these mixins.
 // Centered container element
 .container-fixed(@gutter: @grid-gutter-width) {
  margin-right: auto;
  margin-left: auto;
  padding-left:  (@gutter / 2);
  padding-right: (@gutter / 2);
  &:extend(.clearfix all);
 }
 // Creates a wrapper for a series of columns
 .make-row(@gutter: @grid-gutter-width) {
  margin-left:  (@gutter / -2);
  margin-right: (@gutter / -2);
  &:extend(.clearfix all);
 }
 // Generate the extra small columns
 .make-xs-column(@columns; @gutter: @grid-gutter-width) {
  position: relative;
  float: left;
  width: percentage((@columns / @grid-columns));
  min-height: 1px;
  padding-left:  (@gutter / 2);
  padding-right: (@gutter / 2);
 }
 .make-xs-column-offset(@columns) {
  margin-left: percentage((@columns / @grid-columns));
 }
 .make-xs-column-push(@columns) {
  left: percentage((@columns / @grid-columns));
 }
 .make-xs-column-pull(@columns) {
  right: percentage((@columns / @grid-columns));
 }
 // Generate the small columns
 .make-sm-column(@columns; @gutter: @grid-gutter-width) {
  position: relative;
  min-height: 1px;
  padding-left:  (@gutter / 2);
  padding-right: (@gutter / 2);
  @media (min-width: @screen-sm-min) {
    float: left;
    width: percentage((@columns / @grid-columns));
  }
 }
 .make-sm-column-offset(@columns) {
  @media (min-width: @screen-sm-min) {
    margin-left: percentage((@columns / @grid-columns));
  }
 }
 .make-sm-column-push(@columns) {
  @media (min-width: @screen-sm-min) {
    left: percentage((@columns / @grid-columns));
  }
 }
 .make-sm-column-pull(@columns) {
  @media (min-width: @screen-sm-min) {
    right: percentage((@columns / @grid-columns));
  }
 }
 // Generate the medium columns
 .make-md-column(@columns; @gutter: @grid-gutter-width) {
  position: relative;
  min-height: 1px;
  padding-left:  (@gutter / 2);
  padding-right: (@gutter / 2);
  @media (min-width: @screen-md-min) {
    float: left;
    width: percentage((@columns / @grid-columns));
  }
 }
 .make-md-column-offset(@columns) {
  @media (min-width: @screen-md-min) {
    margin-left: percentage((@columns / @grid-columns));
  }
 }
 .make-md-column-push(@columns) {
  @media (min-width: @screen-md-min) {
    left: percentage((@columns / @grid-columns));
  }
 }
 .make-md-column-pull(@columns) {
  @media (min-width: @screen-md-min) {
    right: percentage((@columns / @grid-columns));
  }
 }
 // Generate the large columns
 .make-lg-column(@columns; @gutter: @grid-gutter-width) {
  position: relative;
  min-height: 1px;
  padding-left:  (@gutter / 2);
  padding-right: (@gutter / 2);
  @media (min-width: @screen-lg-min) {
    float: left;
    width: percentage((@columns / @grid-columns));
  }
 }
 .make-lg-column-offset(@columns) {
  @media (min-width: @screen-lg-min) {
    margin-left: percentage((@columns / @grid-columns));
  }
 }
 .make-lg-column-push(@columns) {
  @media (min-width: @screen-lg-min) {
    left: percentage((@columns / @grid-columns));
  }
 }
 .make-lg-column-pull(@columns) {
  @media (min-width: @screen-lg-min) {
    right: percentage((@columns / @grid-columns));
  }
 }
--- a/searx/static/oscar/less/bootstrap/mixins/hide-text.less
+++ b/searx/static/oscar/less/bootstrap/mixins/hide-text.less
@ -0,0 +1,21 @@
 // CSS image replacement
 //
 // Heads up! v3 launched with with only `.hide-text()`, but per our pattern for
 // mixins being reused as classes with the same name, this doesn't hold up. As
 // of v3.0.1 we have added `.text-hide()` and deprecated `.hide-text()`.
 //
 // Source: https://github.com/h5bp/html5-boilerplate/commit/aa0396eae757
 // Deprecated as of v3.0.1 (will be removed in v4)
 .hide-text() {
  font: ~"0/0" a;
  color: transparent;
  text-shadow: none;
  background-color: transparent;
  border: 0;
 }
 // New mixin to use as of v3.0.1
 .text-hide() {
  .hide-text();
 }
--- a/searx/static/oscar/less/bootstrap/mixins/image.less
+++ b/searx/static/oscar/less/bootstrap/mixins/image.less
@ -0,0 +1,34 @@
 // Image Mixins
 // - Responsive image
 // - Retina image
 // Responsive image
 //
 // Keep images from scaling beyond the width of their parents.
 .img-responsive(@display: block) {
  display: @display;
  width: 100% \9; // Force IE10 and below to size SVG images correctly
  max-width: 100%; // Part 1: Set a maximum relative to the parent
  height: auto; // Part 2: Scale the height according to the width, otherwise you get stretching
 }
 // Retina image
 //
 // Short retina mixin for setting background-image and -size. Note that the
 // spelling of `min--moz-device-pixel-ratio` is intentional.
 .img-retina(@file-1x; @file-2x; @width-1x; @height-1x) {
  background-image: url("@{file-1x}");
  @media
  only screen and (-webkit-min-device-pixel-ratio: 2),
  only screen and (   min--moz-device-pixel-ratio: 2),
  only screen and (     -o-min-device-pixel-ratio: 2/1),
  only screen and (        min-device-pixel-ratio: 2),
  only screen and (                min-resolution: 192dpi),
  only screen and (                min-resolution: 2dppx) {
    background-image: url("@{file-2x}");
    background-size: @width-1x @height-1x;
  }
 }
--- a/searx/static/oscar/less/bootstrap/mixins/labels.less
+++ b/searx/static/oscar/less/bootstrap/mixins/labels.less
@ -0,0 +1,12 @@
 // Labels
 .label-variant(@color) {
  background-color: @color;
  &[href] {
    &:hover,
    &:focus {
      background-color: darken(@color, 10%);
    }
  }
 }
--- a/searx/static/oscar/less/bootstrap/mixins/list-group.less
+++ b/searx/static/oscar/less/bootstrap/mixins/list-group.less
@ -0,0 +1,29 @@
 // List Groups
 .list-group-item-variant(@state; @background; @color) {
  .list-group-item-@{state} {
    color: @color;
    background-color: @background;
    a& {
      color: @color;
      .list-group-item-heading {
        color: inherit;
      }
      &:hover,
      &:focus {
        color: @color;
        background-color: darken(@background, 5%);
      }
      &.active,
      &.active:hover,
      &.active:focus {
        color: #fff;
        background-color: @color;
        border-color: @color;
      }
    }
  }
 }
--- a/searx/static/oscar/less/bootstrap/mixins/nav-divider.less
+++ b/searx/static/oscar/less/bootstrap/mixins/nav-divider.less
@ -0,0 +1,10 @@
 // Horizontal dividers
 //
 // Dividers (basically an hr) within dropdowns and nav lists
 .nav-divider(@color: #e5e5e5) {
  height: 1px;
  margin: ((@line-height-computed / 2) - 1) 0;
  overflow: hidden;
  background-color: @color;
 }
--- a/searx/static/oscar/less/bootstrap/mixins/nav-vertical-align.less
+++ b/searx/static/oscar/less/bootstrap/mixins/nav-vertical-align.less
@ -0,0 +1,9 @@
 // Navbar vertical align
 //
 // Vertically center elements in the navbar.
 // Example: an element has a height of 30px, so write out `.navbar-vertical-align(30px);` to calculate the appropriate top margin.
 .navbar-vertical-align(@element-height) {
  margin-top: ((@navbar-height - @element-height) / 2);
  margin-bottom: ((@navbar-height - @element-height) / 2);
 }
--- a/searx/static/oscar/less/bootstrap/mixins/opacity.less
+++ b/searx/static/oscar/less/bootstrap/mixins/opacity.less
@ -0,0 +1,8 @@
 // Opacity
 .opacity(@opacity) {
  opacity: @opacity;
  // IE8 filter
  @opacity-ie: (@opacity * 100);
  filter: ~"alpha(opacity=@{opacity-ie})";
 }
--- a/searx/static/oscar/less/bootstrap/mixins/pagination.less
+++ b/searx/static/oscar/less/bootstrap/mixins/pagination.less
@ -0,0 +1,23 @@
 // Pagination
 .pagination-size(@padding-vertical; @padding-horizontal; @font-size; @border-radius) {
  > li {
    > a,
    > span {
      padding: @padding-vertical @padding-horizontal;
      font-size: @font-size;
    }
    &:first-child {
      > a,
      > span {
        .border-left-radius(@border-radius);
      }
    }
    &:last-child {
      > a,
      > span {
        .border-right-radius(@border-radius);
      }
    }
  }
 }
--- a/searx/static/oscar/less/bootstrap/mixins/panels.less
+++ b/searx/static/oscar/less/bootstrap/mixins/panels.less
@ -0,0 +1,24 @@
 // Panels
 .panel-variant(@border; @heading-text-color; @heading-bg-color; @heading-border) {
  border-color: @border;
  & > .panel-heading {
    color: @heading-text-color;
    background-color: @heading-bg-color;
    border-color: @heading-border;
    + .panel-collapse > .panel-body {
      border-top-color: @border;
    }
    .badge {
      color: @heading-bg-color;
      background-color: @heading-text-color;
    }
  }
  & > .panel-footer {
    + .panel-collapse > .panel-body {
      border-bottom-color: @border;
    }
  }
 }
--- a/searx/static/oscar/less/bootstrap/mixins/progress-bar.less
+++ b/searx/static/oscar/less/bootstrap/mixins/progress-bar.less
@ -0,0 +1,10 @@
 // Progress bars
 .progress-bar-variant(@color) {
  background-color: @color;
  // Deprecated parent class requirement as of v3.2.0
  .progress-striped & {
    #gradient > .striped();
  }
 }
--- a/searx/static/oscar/less/bootstrap/mixins/reset-filter.less
+++ b/searx/static/oscar/less/bootstrap/mixins/reset-filter.less
@ -0,0 +1,8 @@
 // Reset filters for IE
 //
 // When you need to remove a gradient background, do not forget to use this to reset
 // the IE filter for IE9 and below.
 .reset-filter() {
  filter: e(%("progid:DXImageTransform.Microsoft.gradient(enabled = false)"));
 }
--- a/searx/static/oscar/less/bootstrap/mixins/resize.less
+++ b/searx/static/oscar/less/bootstrap/mixins/resize.less
@ -0,0 +1,6 @@
 // Resize anything
 .resizable(@direction) {
  resize: @direction; // Options: horizontal, vertical, both
  overflow: auto; // Per CSS3 UI, `resize` only applies when `overflow` isn't `visible`
 }
--- a/searx/static/oscar/less/bootstrap/mixins/responsive-visibility.less
+++ b/searx/static/oscar/less/bootstrap/mixins/responsive-visibility.less
@ -0,0 +1,15 @@
 // Responsive utilities
 //
 // More easily include all the states for responsive-utilities.less.
 .responsive-visibility() {
  display: block !important;
  table&  { display: table; }
  tr&     { display: table-row !important; }
  th&,
  td&     { display: table-cell !important; }
 }
 .responsive-invisibility() {
  display: none !important;
 }
--- a/searx/static/oscar/less/bootstrap/mixins/size.less
+++ b/searx/static/oscar/less/bootstrap/mixins/size.less
@ -0,0 +1,10 @@
 // Sizing shortcuts
 .size(@width; @height) {
  width: @width;
  height: @height;
 }
 .square(@size) {
  .size(@size; @size);
 }
--- a/searx/static/oscar/less/bootstrap/mixins/tab-focus.less
+++ b/searx/static/oscar/less/bootstrap/mixins/tab-focus.less
@ -0,0 +1,9 @@
 // WebKit-style focus
 .tab-focus() {
  // Default
  outline: thin dotted;
  // WebKit
  outline: 5px auto -webkit-focus-ring-color;
  outline-offset: -2px;
 }
--- a/searx/static/oscar/less/bootstrap/mixins/table-row.less
+++ b/searx/static/oscar/less/bootstrap/mixins/table-row.less
@ -0,0 +1,28 @@
 // Tables
 .table-row-variant(@state; @background) {
  // Exact selectors below required to override `.table-striped` and prevent
  // inheritance to nested tables.
  .table > thead > tr,
  .table > tbody > tr,
  .table > tfoot > tr {
    > td.@{state},
    > th.@{state},
    &.@{state} > td,
    &.@{state} > th {
      background-color: @background;
    }
  }
  // Hover states for `.table-hover`
  // Note: this is not available for cells or rows within `thead` or `tfoot`.
  .table-hover > tbody > tr {
    > td.@{state}:hover,
    > th.@{state}:hover,
    &.@{state}:hover > td,
    &:hover > .@{state},
    &.@{state}:hover > th {
      background-color: darken(@background, 5%);
    }
  }
 }
--- a/searx/static/oscar/less/bootstrap/mixins/text-emphasis.less
+++ b/searx/static/oscar/less/bootstrap/mixins/text-emphasis.less
@ -0,0 +1,8 @@
 // Typography
 .text-emphasis-variant(@color) {
  color: @color;
  a&:hover {
    color: darken(@color, 10%);
  }
 }
--- a/searx/static/oscar/less/bootstrap/mixins/text-overflow.less
+++ b/searx/static/oscar/less/bootstrap/mixins/text-overflow.less
@ -0,0 +1,8 @@
 // Text overflow
 // Requires inline-block or block for proper styling
 .text-overflow() {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
 }
--- a/searx/static/oscar/less/bootstrap/mixins/vendor-prefixes.less
+++ b/searx/static/oscar/less/bootstrap/mixins/vendor-prefixes.less
@ -0,0 +1,224 @@
 // Vendor Prefixes
 //
 // All vendor mixins are deprecated as of v3.2.0 due to the introduction of
 // Autoprefixer in our Gruntfile. They will be removed in v4.
 // - Animations
 // - Backface visibility
 // - Box shadow
 // - Box sizing
 // - Content columns
 // - Hyphens
 // - Placeholder text
 // - Transformations
 // - Transitions
 // - User Select
 // Animations
 .animation(@animation) {
  -webkit-animation: @animation;
       -o-animation: @animation;
          animation: @animation;
 }
 .animation-name(@name) {
  -webkit-animation-name: @name;
          animation-name: @name;
 }
 .animation-duration(@duration) {
  -webkit-animation-duration: @duration;
          animation-duration: @duration;
 }
 .animation-timing-function(@timing-function) {
  -webkit-animation-timing-function: @timing-function;
          animation-timing-function: @timing-function;
 }
 .animation-delay(@delay) {
  -webkit-animation-delay: @delay;
          animation-delay: @delay;
 }
 .animation-iteration-count(@iteration-count) {
  -webkit-animation-iteration-count: @iteration-count;
          animation-iteration-count: @iteration-count;
 }
 .animation-direction(@direction) {
  -webkit-animation-direction: @direction;
          animation-direction: @direction;
 }
 .animation-fill-mode(@fill-mode) {
  -webkit-animation-fill-mode: @fill-mode;
          animation-fill-mode: @fill-mode;
 }
 // Backface visibility
 // Prevent browsers from flickering when using CSS 3D transforms.
 // Default value is `visible`, but can be changed to `hidden`
 .backface-visibility(@visibility){
  -webkit-backface-visibility: @visibility;
     -moz-backface-visibility: @visibility;
          backface-visibility: @visibility;
 }
 // Drop shadows
 //
 // Note: Deprecated `.box-shadow()` as of v3.1.0 since all of Bootstrap's
 // supported browsers that have box shadow capabilities now support it.
 .box-shadow(@shadow) {
  -webkit-box-shadow: @shadow; // iOS <4.3 & Android <4.1
          box-shadow: @shadow;
 }
 // Box sizing
 .box-sizing(@boxmodel) {
  -webkit-box-sizing: @boxmodel;
     -moz-box-sizing: @boxmodel;
          box-sizing: @boxmodel;
 }
 // CSS3 Content Columns
 .content-columns(@column-count; @column-gap: @grid-gutter-width) {
  -webkit-column-count: @column-count;
     -moz-column-count: @column-count;
          column-count: @column-count;
  -webkit-column-gap: @column-gap;
     -moz-column-gap: @column-gap;
          column-gap: @column-gap;
 }
 // Optional hyphenation
 .hyphens(@mode: auto) {
  word-wrap: break-word;
  -webkit-hyphens: @mode;
     -moz-hyphens: @mode;
      -ms-hyphens: @mode; // IE10+
       -o-hyphens: @mode;
          hyphens: @mode;
 }
 // Placeholder text
 .placeholder(@color: @input-color-placeholder) {
  &::-moz-placeholder           { color: @color;   // Firefox
                                  opacity: 1; } // See https://github.com/twbs/bootstrap/pull/11526
  &:-ms-input-placeholder       { color: @color; } // Internet Explorer 10+
  &::-webkit-input-placeholder  { color: @color; } // Safari and Chrome
 }
 // Transformations
 .scale(@ratio) {
  -webkit-transform: scale(@ratio);
      -ms-transform: scale(@ratio); // IE9 only
       -o-transform: scale(@ratio);
          transform: scale(@ratio);
 }
 .scale(@ratioX; @ratioY) {
  -webkit-transform: scale(@ratioX, @ratioY);
      -ms-transform: scale(@ratioX, @ratioY); // IE9 only
       -o-transform: scale(@ratioX, @ratioY);
          transform: scale(@ratioX, @ratioY);
 }
 .scaleX(@ratio) {
  -webkit-transform: scaleX(@ratio);
      -ms-transform: scaleX(@ratio); // IE9 only
       -o-transform: scaleX(@ratio);
          transform: scaleX(@ratio);
 }
 .scaleY(@ratio) {
  -webkit-transform: scaleY(@ratio);
      -ms-transform: scaleY(@ratio); // IE9 only
       -o-transform: scaleY(@ratio);
          transform: scaleY(@ratio);
 }
 .skew(@x; @y) {
  -webkit-transform: skewX(@x) skewY(@y);
      -ms-transform: skewX(@x) skewY(@y); // See https://github.com/twbs/bootstrap/issues/4885; IE9+
       -o-transform: skewX(@x) skewY(@y);
          transform: skewX(@x) skewY(@y);
 }
 .translate(@x; @y) {
  -webkit-transform: translate(@x, @y);
      -ms-transform: translate(@x, @y); // IE9 only
       -o-transform: translate(@x, @y);
          transform: translate(@x, @y);
 }
 .translate3d(@x; @y; @z) {
  -webkit-transform: translate3d(@x, @y, @z);
          transform: translate3d(@x, @y, @z);
 }
 .rotate(@degrees) {
  -webkit-transform: rotate(@degrees);
      -ms-transform: rotate(@degrees); // IE9 only
       -o-transform: rotate(@degrees);
          transform: rotate(@degrees);
 }
 .rotateX(@degrees) {
  -webkit-transform: rotateX(@degrees);
      -ms-transform: rotateX(@degrees); // IE9 only
       -o-transform: rotateX(@degrees);
          transform: rotateX(@degrees);
 }
 .rotateY(@degrees) {
  -webkit-transform: rotateY(@degrees);
      -ms-transform: rotateY(@degrees); // IE9 only
       -o-transform: rotateY(@degrees);
          transform: rotateY(@degrees);
 }
 .perspective(@perspective) {
  -webkit-perspective: @perspective;
     -moz-perspective: @perspective;
          perspective: @perspective;
 }
 .perspective-origin(@perspective) {
  -webkit-perspective-origin: @perspective;
     -moz-perspective-origin: @perspective;
          perspective-origin: @perspective;
 }
 .transform-origin(@origin) {
  -webkit-transform-origin: @origin;
     -moz-transform-origin: @origin;
      -ms-transform-origin: @origin; // IE9 only
          transform-origin: @origin;
 }
 // Transitions
 .transition(@transition) {
  -webkit-transition: @transition;
       -o-transition: @transition;
          transition: @transition;
 }
 .transition-property(@transition-property) {
  -webkit-transition-property: @transition-property;
          transition-property: @transition-property;
 }
 .transition-delay(@transition-delay) {
  -webkit-transition-delay: @transition-delay;
          transition-delay: @transition-delay;
 }
 .transition-duration(@transition-duration) {
  -webkit-transition-duration: @transition-duration;
          transition-duration: @transition-duration;
 }
 .transition-timing-function(@timing-function) {
  -webkit-transition-timing-function: @timing-function;
          transition-timing-function: @timing-function;
 }
 .transition-transform(@transition) {
  -webkit-transition: -webkit-transform @transition;
     -moz-transition: -moz-transform @transition;
       -o-transition: -o-transform @transition;
          transition: transform @transition;
 }
 // User select
 // For selecting text on the page
 .user-select(@select) {
  -webkit-user-select: @select;
     -moz-user-select: @select;
      -ms-user-select: @select; // IE10+
          user-select: @select;
 }
--- a/searx/static/oscar/less/bootstrap/modals.less
+++ b/searx/static/oscar/less/bootstrap/modals.less
@ -0,0 +1,150 @@
 //
 // Modals
 // --------------------------------------------------
 // .modal-open      - body class for killing the scroll
 // .modal           - container to scroll within
 // .modal-dialog    - positioning shell for the actual modal
 // .modal-content   - actual modal w/ bg and corners and shit
 // Kill the scroll on the body
 .modal-open {
  overflow: hidden;
 }
 // Container that the modal scrolls within
 .modal {
  display: none;
  overflow: hidden;
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: @zindex-modal;
  -webkit-overflow-scrolling: touch;
  // Prevent Chrome on Windows from adding a focus outline. For details, see
  // https://github.com/twbs/bootstrap/pull/10951.
  outline: 0;
  // When fading in the modal, animate it to slide down
  &.fade .modal-dialog {
    .translate3d(0, -25%, 0);
    .transition-transform(~"0.3s ease-out");
  }
  &.in .modal-dialog { .translate3d(0, 0, 0) }
 }
 .modal-open .modal {
  overflow-x: hidden;
  overflow-y: auto;
 }
 // Shell div to position the modal with bottom padding
 .modal-dialog {
  position: relative;
  width: auto;
  margin: 10px;
 }
 // Actual modal
 .modal-content {
  position: relative;
  background-color: @modal-content-bg;
  border: 1px solid @modal-content-fallback-border-color; //old browsers fallback (ie8 etc)
  border: 1px solid @modal-content-border-color;
  border-radius: @border-radius-large;
  .box-shadow(0 3px 9px rgba(0,0,0,.5));
  background-clip: padding-box;
  // Remove focus outline from opened modal
  outline: 0;
 }
 // Modal background
 .modal-backdrop {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: @zindex-modal-background;
  background-color: @modal-backdrop-bg;
  // Fade for backdrop
  &.fade { .opacity(0); }
  &.in { .opacity(@modal-backdrop-opacity); }
 }
 // Modal header
 // Top section of the modal w/ title and dismiss
 .modal-header {
  padding: @modal-title-padding;
  border-bottom: 1px solid @modal-header-border-color;
  min-height: (@modal-title-padding + @modal-title-line-height);
 }
 // Close icon
 .modal-header .close {
  margin-top: -2px;
 }
 // Title text within header
 .modal-title {
  margin: 0;
  line-height: @modal-title-line-height;
 }
 // Modal body
 // Where all modal content resides (sibling of .modal-header and .modal-footer)
 .modal-body {
  position: relative;
  padding: @modal-inner-padding;
 }
 // Footer (for actions)
 .modal-footer {
  padding: @modal-inner-padding;
  text-align: right; // right align buttons
  border-top: 1px solid @modal-footer-border-color;
  &:extend(.clearfix all); // clear it in case folks use .pull-* classes on buttons
  // Properly space out buttons
  .btn + .btn {
    margin-left: 5px;
    margin-bottom: 0; // account for input[type="submit"] which gets the bottom margin like all other inputs
  }
  // but override that for button groups
  .btn-group .btn + .btn {
    margin-left: -1px;
  }
  // and override it for block buttons as well
  .btn-block + .btn-block {
    margin-left: 0;
  }
 }
 // Measure scrollbar width for padding body during modal show/hide
 .modal-scrollbar-measure {
  position: absolute;
  top: -9999px;
  width: 50px;
  height: 50px;
  overflow: scroll;
 }
 // Scale up the modal
@media (min-width: @screen-sm-min) {
  // Automatically set modal's width for larger viewports
  .modal-dialog {
    width: @modal-md;
    margin: 30px auto;
  }
  .modal-content {
    .box-shadow(0 5px 15px rgba(0,0,0,.5));
  }
  // Modal sizes
  .modal-sm { width: @modal-sm; }
 }
@media (min-width: @screen-md-min) {
  .modal-lg { width: @modal-lg; }
 }
--- a/searx/static/oscar/less/bootstrap/navbar.less
+++ b/searx/static/oscar/less/bootstrap/navbar.less
@ -0,0 +1,655 @@
 //
 // Navbars
 // --------------------------------------------------
 // Wrapper and base class
 //
 // Provide a static navbar from which we expand to create full-width, fixed, and
 // other navbar variations.
 .navbar {
  position: relative;
  min-height: @navbar-height; // Ensure a navbar always shows (e.g., without a .navbar-brand in collapsed mode)
  margin-bottom: @navbar-margin-bottom;
  border: 1px solid transparent;
  // Prevent floats from breaking the navbar
  &:extend(.clearfix all);
  @media (min-width: @grid-float-breakpoint) {
    border-radius: @navbar-border-radius;
  }
 }
 // Navbar heading
 //
 // Groups `.navbar-brand` and `.navbar-toggle` into a single component for easy
 // styling of responsive aspects.
 .navbar-header {
  &:extend(.clearfix all);
  @media (min-width: @grid-float-breakpoint) {
    float: left;
  }
 }
 // Navbar collapse (body)
 //
 // Group your navbar content into this for easy collapsing and expanding across
 // various device sizes. By default, this content is collapsed when <768px, but
 // will expand past that for a horizontal display.
 //
 // To start (on mobile devices) the navbar links, forms, and buttons are stacked
 // vertically and include a `max-height` to overflow in case you have too much
 // content for the user's viewport.
 .navbar-collapse {
  overflow-x: visible;
  padding-right: @navbar-padding-horizontal;
  padding-left:  @navbar-padding-horizontal;
  border-top: 1px solid transparent;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.1);
  &:extend(.clearfix all);
  -webkit-overflow-scrolling: touch;
  &.in {
    overflow-y: auto;
  }
  @media (min-width: @grid-float-breakpoint) {
    width: auto;
    border-top: 0;
    box-shadow: none;
    &.collapse {
      display: block !important;
      height: auto !important;
      padding-bottom: 0; // Override default setting
      overflow: visible !important;
    }
    &.in {
      overflow-y: visible;
    }
    // Undo the collapse side padding for navbars with containers to ensure
    // alignment of right-aligned contents.
    .navbar-fixed-top &,
    .navbar-static-top &,
    .navbar-fixed-bottom & {
      padding-left: 0;
      padding-right: 0;
    }
  }
 }
 .navbar-fixed-top,
 .navbar-fixed-bottom {
  .navbar-collapse {
    max-height: @navbar-collapse-max-height;
    @media (max-width: @screen-xs-min) and (orientation: landscape) {
      max-height: 200px;
    }
  }
 }
 // Both navbar header and collapse
 //
 // When a container is present, change the behavior of the header and collapse.
 .container,
 .container-fluid {
  > .navbar-header,
  > .navbar-collapse {
    margin-right: -@navbar-padding-horizontal;
    margin-left:  -@navbar-padding-horizontal;
    @media (min-width: @grid-float-breakpoint) {
      margin-right: 0;
      margin-left:  0;
    }
  }
 }
 //
 // Navbar alignment options
 //
 // Display the navbar across the entirety of the page or fixed it to the top or
 // bottom of the page.
 // Static top (unfixed, but 100% wide) navbar
 .navbar-static-top {
  z-index: @zindex-navbar;
  border-width: 0 0 1px;
  @media (min-width: @grid-float-breakpoint) {
    border-radius: 0;
  }
 }
 // Fix the top/bottom navbars when screen real estate supports it
 .navbar-fixed-top,
 .navbar-fixed-bottom {
  position: fixed;
  right: 0;
  left: 0;
  z-index: @zindex-navbar-fixed;
  .translate3d(0, 0, 0);
  // Undo the rounded corners
  @media (min-width: @grid-float-breakpoint) {
    border-radius: 0;
  }
 }
 .navbar-fixed-top {
  top: 0;
  border-width: 0 0 1px;
 }
 .navbar-fixed-bottom {
  bottom: 0;
  margin-bottom: 0; // override .navbar defaults
  border-width: 1px 0 0;
 }
 // Brand/project name
 .navbar-brand {
  float: left;
  padding: @navbar-padding-vertical @navbar-padding-horizontal;
  font-size: @font-size-large;
  line-height: @line-height-computed;
  height: @navbar-height;
  &:hover,
  &:focus {
    text-decoration: none;
  }
  @media (min-width: @grid-float-breakpoint) {
    .navbar > .container &,
    .navbar > .container-fluid & {
      margin-left: -@navbar-padding-horizontal;
    }
  }
 }
 // Navbar toggle
 //
 // Custom button for toggling the `.navbar-collapse`, powered by the collapse
 // JavaScript plugin.
 .navbar-toggle {
  position: relative;
  float: right;
  margin-right: @navbar-padding-horizontal;
  padding: 9px 10px;
  .navbar-vertical-align(34px);
  background-color: transparent;
  background-image: none; // Reset unusual Firefox-on-Android default style; see https://github.com/necolas/normalize.css/issues/214
  border: 1px solid transparent;
  border-radius: @border-radius-base;
  // We remove the `outline` here, but later compensate by attaching `:hover`
  // styles to `:focus`.
  &:focus {
    outline: 0;
  }
  // Bars
  .icon-bar {
    display: block;
    width: 22px;
    height: 2px;
    border-radius: 1px;
  }
  .icon-bar + .icon-bar {
    margin-top: 4px;
  }
  @media (min-width: @grid-float-breakpoint) {
    display: none;
  }
 }
 // Navbar nav links
 //
 // Builds on top of the `.nav` components with its own modifier class to make
 // the nav the full height of the horizontal nav (above 768px).
 .navbar-nav {
  margin: (@navbar-padding-vertical / 2) -@navbar-padding-horizontal;
  > li > a {
    padding-top:    10px;
    padding-bottom: 10px;
    line-height: @line-height-computed;
  }
  @media (max-width: @grid-float-breakpoint-max) {
    // Dropdowns get custom display when collapsed
    .open .dropdown-menu {
      position: static;
      float: none;
      width: auto;
      margin-top: 0;
      background-color: transparent;
      border: 0;
      box-shadow: none;
      > li > a,
      .dropdown-header {
        padding: 5px 15px 5px 25px;
      }
      > li > a {
        line-height: @line-height-computed;
        &:hover,
        &:focus {
          background-image: none;
        }
      }
    }
  }
  // Uncollapse the nav
  @media (min-width: @grid-float-breakpoint) {
    float: left;
    margin: 0;
    > li {
      float: left;
      > a {
        padding-top:    @navbar-padding-vertical;
        padding-bottom: @navbar-padding-vertical;
      }
    }
    &.navbar-right:last-child {
      margin-right: -@navbar-padding-horizontal;
    }
  }
 }
 // Component alignment
 //
 // Repurpose the pull utilities as their own navbar utilities to avoid specificity
 // issues with parents and chaining. Only do this when the navbar is uncollapsed
 // though so that navbar contents properly stack and align in mobile.
@media (min-width: @grid-float-breakpoint) {
  .navbar-left  { .pull-left(); }
  .navbar-right { .pull-right(); }
 }
 // Navbar form
 //
 // Extension of the `.form-inline` with some extra flavor for optimum display in
 // our navbars.
 .navbar-form {
  margin-left: -@navbar-padding-horizontal;
  margin-right: -@navbar-padding-horizontal;
  padding: 10px @navbar-padding-horizontal;
  border-top: 1px solid transparent;
  border-bottom: 1px solid transparent;
  @shadow: inset 0 1px 0 rgba(255,255,255,.1), 0 1px 0 rgba(255,255,255,.1);
  .box-shadow(@shadow);
  // Mixin behavior for optimum display
  .form-inline();
  .form-group {
    @media (max-width: @grid-float-breakpoint-max) {
      margin-bottom: 5px;
    }
  }
  // Vertically center in expanded, horizontal navbar
  .navbar-vertical-align(@input-height-base);
  // Undo 100% width for pull classes
  @media (min-width: @grid-float-breakpoint) {
    width: auto;
    border: 0;
    margin-left: 0;
    margin-right: 0;
    padding-top: 0;
    padding-bottom: 0;
    .box-shadow(none);
    // Outdent the form if last child to line up with content down the page
    &.navbar-right:last-child {
      margin-right: -@navbar-padding-horizontal;
    }
  }
 }
 // Dropdown menus
 // Menu position and menu carets
 .navbar-nav > li > .dropdown-menu {
  margin-top: 0;
  .border-top-radius(0);
 }
 // Menu position and menu caret support for dropups via extra dropup class
 .navbar-fixed-bottom .navbar-nav > li > .dropdown-menu {
  .border-bottom-radius(0);
 }
 // Buttons in navbars
 //
 // Vertically center a button within a navbar (when *not* in a form).
 .navbar-btn {
  .navbar-vertical-align(@input-height-base);
  &.btn-sm {
    .navbar-vertical-align(@input-height-small);
  }
  &.btn-xs {
    .navbar-vertical-align(22);
  }
 }
 // Text in navbars
 //
 // Add a class to make any element properly align itself vertically within the navbars.
 .navbar-text {
  .navbar-vertical-align(@line-height-computed);
  @media (min-width: @grid-float-breakpoint) {
    float: left;
    margin-left: @navbar-padding-horizontal;
    margin-right: @navbar-padding-horizontal;
    // Outdent the form if last child to line up with content down the page
    &.navbar-right:last-child {
      margin-right: 0;
    }
  }
 }
 // Alternate navbars
 // --------------------------------------------------
 // Default navbar
 .navbar-default {
  background-color: @navbar-default-bg;
  border-color: @navbar-default-border;
  .navbar-brand {
    color: @navbar-default-brand-color;
    &:hover,
    &:focus {
      color: @navbar-default-brand-hover-color;
      background-color: @navbar-default-brand-hover-bg;
    }
  }
  .navbar-text {
    color: @navbar-default-color;
  }
  .navbar-nav {
    > li > a {
      color: @navbar-default-link-color;
      &:hover,
      &:focus {
        color: @navbar-default-link-hover-color;
        background-color: @navbar-default-link-hover-bg;
      }
    }
    > .active > a {
      &,
      &:hover,
      &:focus {
        color: @navbar-default-link-active-color;
        background-color: @navbar-default-link-active-bg;
      }
    }
    > .disabled > a {
      &,
      &:hover,
      &:focus {
        color: @navbar-default-link-disabled-color;
        background-color: @navbar-default-link-disabled-bg;
      }
    }
  }
  .navbar-toggle {
    border-color: @navbar-default-toggle-border-color;
    &:hover,
    &:focus {
      background-color: @navbar-default-toggle-hover-bg;
    }
    .icon-bar {
      background-color: @navbar-default-toggle-icon-bar-bg;
    }
  }
  .navbar-collapse,
  .navbar-form {
    border-color: @navbar-default-border;
  }
  // Dropdown menu items
  .navbar-nav {
    // Remove background color from open dropdown
    > .open > a {
      &,
      &:hover,
      &:focus {
        background-color: @navbar-default-link-active-bg;
        color: @navbar-default-link-active-color;
      }
    }
    @media (max-width: @grid-float-breakpoint-max) {
      // Dropdowns get custom display when collapsed
      .open .dropdown-menu {
        > li > a {
          color: @navbar-default-link-color;
          &:hover,
          &:focus {
            color: @navbar-default-link-hover-color;
            background-color: @navbar-default-link-hover-bg;
          }
        }
        > .active > a {
          &,
          &:hover,
          &:focus {
            color: @navbar-default-link-active-color;
            background-color: @navbar-default-link-active-bg;
          }
        }
        > .disabled > a {
          &,
          &:hover,
          &:focus {
            color: @navbar-default-link-disabled-color;
            background-color: @navbar-default-link-disabled-bg;
          }
        }
      }
    }
  }
  // Links in navbars
  //
  // Add a class to ensure links outside the navbar nav are colored correctly.
  .navbar-link {
    color: @navbar-default-link-color;
    &:hover {
      color: @navbar-default-link-hover-color;
    }
  }
  .btn-link {
    color: @navbar-default-link-color;
    &:hover,
    &:focus {
      color: @navbar-default-link-hover-color;
    }
    &[disabled],
    fieldset[disabled] & {
      &:hover,
      &:focus {
        color: @navbar-default-link-disabled-color;
      }
    }
  }
 }
 // Inverse navbar
 .navbar-inverse {
  background-color: @navbar-inverse-bg;
  border-color: @navbar-inverse-border;
  .navbar-brand {
    color: @navbar-inverse-brand-color;
    &:hover,
    &:focus {
      color: @navbar-inverse-brand-hover-color;
      background-color: @navbar-inverse-brand-hover-bg;
    }
  }
  .navbar-text {
    color: @navbar-inverse-color;
  }
  .navbar-nav {
    > li > a {
      color: @navbar-inverse-link-color;
      &:hover,
      &:focus {
        color: @navbar-inverse-link-hover-color;
        background-color: @navbar-inverse-link-hover-bg;
      }
    }
    > .active > a {
      &,
      &:hover,
      &:focus {
        color: @navbar-inverse-link-active-color;
        background-color: @navbar-inverse-link-active-bg;
      }
    }
    > .disabled > a {
      &,
      &:hover,
      &:focus {
        color: @navbar-inverse-link-disabled-color;
        background-color: @navbar-inverse-link-disabled-bg;
      }
    }
  }
  // Darken the responsive nav toggle
  .navbar-toggle {
    border-color: @navbar-inverse-toggle-border-color;
    &:hover,
    &:focus {
      background-color: @navbar-inverse-toggle-hover-bg;
    }
    .icon-bar {
      background-color: @navbar-inverse-toggle-icon-bar-bg;
    }
  }
  .navbar-collapse,
  .navbar-form {
    border-color: darken(@navbar-inverse-bg, 7%);
  }
  // Dropdowns
  .navbar-nav {
    > .open > a {
      &,
      &:hover,
      &:focus {
        background-color: @navbar-inverse-link-active-bg;
        color: @navbar-inverse-link-active-color;
      }
    }
    @media (max-width: @grid-float-breakpoint-max) {
      // Dropdowns get custom display
      .open .dropdown-menu {
        > .dropdown-header {
          border-color: @navbar-inverse-border;
        }
        .divider {
          background-color: @navbar-inverse-border;
        }
        > li > a {
          color: @navbar-inverse-link-color;
          &:hover,
          &:focus {
            color: @navbar-inverse-link-hover-color;
            background-color: @navbar-inverse-link-hover-bg;
          }
        }
        > .active > a {
          &,
          &:hover,
          &:focus {
            color: @navbar-inverse-link-active-color;
            background-color: @navbar-inverse-link-active-bg;
          }
        }
        > .disabled > a {
          &,
          &:hover,
          &:focus {
            color: @navbar-inverse-link-disabled-color;
            background-color: @navbar-inverse-link-disabled-bg;
          }
        }
      }
    }
  }
  .navbar-link {
    color: @navbar-inverse-link-color;
    &:hover {
      color: @navbar-inverse-link-hover-color;
    }
  }
  .btn-link {
    color: @navbar-inverse-link-color;
    &:hover,
    &:focus {
      color: @navbar-inverse-link-hover-color;
    }
    &[disabled],
    fieldset[disabled] & {
      &:hover,
      &:focus {
        color: @navbar-inverse-link-disabled-color;
      }
    }
  }
 }
--- a/searx/static/oscar/less/bootstrap/navs.less
+++ b/searx/static/oscar/less/bootstrap/navs.less
@ -0,0 +1,242 @@
 //
 // Navs
 // --------------------------------------------------
 // Base class
 // --------------------------------------------------
 .nav {
  margin-bottom: 0;
  padding-left: 0; // Override default ul/ol
  list-style: none;
  &:extend(.clearfix all);
  > li {
    position: relative;
    display: block;
    > a {
      position: relative;
      display: block;
      padding: @nav-link-padding;
      &:hover,
      &:focus {
        text-decoration: none;
        background-color: @nav-link-hover-bg;
      }
    }
    // Disabled state sets text to gray and nukes hover/tab effects
    &.disabled > a {
      color: @nav-disabled-link-color;
      &:hover,
      &:focus {
        color: @nav-disabled-link-hover-color;
        text-decoration: none;
        background-color: transparent;
        cursor: not-allowed;
      }
    }
  }
  // Open dropdowns
  .open > a {
    &,
    &:hover,
    &:focus {
      background-color: @nav-link-hover-bg;
      border-color: @link-color;
    }
  }
  // Nav dividers (deprecated with v3.0.1)
  //
  // This should have been removed in v3 with the dropping of `.nav-list`, but
  // we missed it. We don't currently support this anywhere, but in the interest
  // of maintaining backward compatibility in case you use it, it's deprecated.
  .nav-divider {
    .nav-divider();
  }
  // Prevent IE8 from misplacing imgs
  //
  // See https://github.com/h5bp/html5-boilerplate/issues/984#issuecomment-3985989
  > li > a > img {
    max-width: none;
  }
 }
 // Tabs
 // -------------------------
 // Give the tabs something to sit on
 .nav-tabs {
  border-bottom: 1px solid @nav-tabs-border-color;
  > li {
    float: left;
    // Make the list-items overlay the bottom border
    margin-bottom: -1px;
    // Actual tabs (as links)
    > a {
      margin-right: 2px;
      line-height: @line-height-base;
      border: 1px solid transparent;
      border-radius: @border-radius-base @border-radius-base 0 0;
      &:hover {
        border-color: @nav-tabs-link-hover-border-color @nav-tabs-link-hover-border-color @nav-tabs-border-color;
      }
    }
    // Active state, and its :hover to override normal :hover
    &.active > a {
      &,
      &:hover,
      &:focus {
        color: @nav-tabs-active-link-hover-color;
        background-color: @nav-tabs-active-link-hover-bg;
        border: 1px solid @nav-tabs-active-link-hover-border-color;
        border-bottom-color: transparent;
        cursor: default;
      }
    }
  }
  // pulling this in mainly for less shorthand
  &.nav-justified {
    .nav-justified();
    .nav-tabs-justified();
  }
 }
 // Pills
 // -------------------------
 .nav-pills {
  > li {
    float: left;
    // Links rendered as pills
    > a {
      border-radius: @nav-pills-border-radius;
    }
    + li {
      margin-left: 2px;
    }
    // Active state
    &.active > a {
      &,
      &:hover,
      &:focus {
        color: @nav-pills-active-link-hover-color;
        background-color: @nav-pills-active-link-hover-bg;
      }
    }
  }
 }
 // Stacked pills
 .nav-stacked {
  > li {
    float: none;
    + li {
      margin-top: 2px;
      margin-left: 0; // no need for this gap between nav items
    }
  }
 }
 // Nav variations
 // --------------------------------------------------
 // Justified nav links
 // -------------------------
 .nav-justified {
  width: 100%;
  > li {
    float: none;
    > a {
      text-align: center;
      margin-bottom: 5px;
    }
  }
  > .dropdown .dropdown-menu {
    top: auto;
    left: auto;
  }
  @media (min-width: @screen-sm-min) {
    > li {
      display: table-cell;
      width: 1%;
      > a {
        margin-bottom: 0;
      }
    }
  }
 }
 // Move borders to anchors instead of bottom of list
 //
 // Mixin for adding on top the shared `.nav-justified` styles for our tabs
 .nav-tabs-justified {
  border-bottom: 0;
  > li > a {
    // Override margin from .nav-tabs
    margin-right: 0;
    border-radius: @border-radius-base;
  }
  > .active > a,
  > .active > a:hover,
  > .active > a:focus {
    border: 1px solid @nav-tabs-justified-link-border-color;
  }
  @media (min-width: @screen-sm-min) {
    > li > a {
      border-bottom: 1px solid @nav-tabs-justified-link-border-color;
      border-radius: @border-radius-base @border-radius-base 0 0;
    }
    > .active > a,
    > .active > a:hover,
    > .active > a:focus {
      border-bottom-color: @nav-tabs-justified-active-link-border-color;
    }
  }
 }
 // Tabbable tabs
 // -------------------------
 // Hide tabbable panes to start, show them when `.active`
 .tab-content {
  > .tab-pane {
    display: none;
  }
  > .active {
    display: block;
  }
 }
 // Dropdowns
 // -------------------------
 // Specific dropdowns
 .nav-tabs .dropdown-menu {
  // make dropdown border overlap tab border
  margin-top: -1px;
  // Remove the top rounded corners here since there is a hard edge above the menu
  .border-top-radius(0);
 }
--- a/searx/static/oscar/less/bootstrap/normalize.less
+++ b/searx/static/oscar/less/bootstrap/normalize.less
@ -0,0 +1,425 @@
 /*! normalize.css v3.0.1 | MIT License | git.io/normalize */
 //
 // 1. Set default font family to sans-serif.
 // 2. Prevent iOS text size adjust after orientation change, without disabling
 //    user zoom.
 //
 html {
  font-family: sans-serif; // 1
  -ms-text-size-adjust: 100%; // 2
  -webkit-text-size-adjust: 100%; // 2
 }
 //
 // Remove default margin.
 //
 body {
  margin: 0;
 }
 // HTML5 display definitions
 // ==========================================================================
 //
 // Correct `block` display not defined for any HTML5 element in IE 8/9.
 // Correct `block` display not defined for `details` or `summary` in IE 10/11 and Firefox.
 // Correct `block` display not defined for `main` in IE 11.
 //
 article,
 aside,
 details,
 figcaption,
 figure,
 footer,
 header,
 hgroup,
 main,
 nav,
 section,
 summary {
  display: block;
 }
 //
 // 1. Correct `inline-block` display not defined in IE 8/9.
 // 2. Normalize vertical alignment of `progress` in Chrome, Firefox, and Opera.
 //
 audio,
 canvas,
 progress,
 video {
  display: inline-block; // 1
  vertical-align: baseline; // 2
 }
 //
 // Prevent modern browsers from displaying `audio` without controls.
 // Remove excess height in iOS 5 devices.
 //
 audio:not([controls]) {
  display: none;
  height: 0;
 }
 //
 // Address `[hidden]` styling not present in IE 8/9/10.
 // Hide the `template` element in IE 8/9/11, Safari, and Firefox < 22.
 //
 [hidden],
 template {
  display: none;
 }
 // Links
 // ==========================================================================
 //
 // Remove the gray background color from active links in IE 10.
 //
 a {
  background: transparent;
 }
 //
 // Improve readability when focused and also mouse hovered in all browsers.
 //
 a:active,
 a:hover {
  outline: 0;
 }
 // Text-level semantics
 // ==========================================================================
 //
 // Address styling not present in IE 8/9/10/11, Safari, and Chrome.
 //
 abbr[title] {
  border-bottom: 1px dotted;
 }
 //
 // Address style set to `bolder` in Firefox 4+, Safari, and Chrome.
 //
 b,
 strong {
  font-weight: bold;
 }
 //
 // Address styling not present in Safari and Chrome.
 //
 dfn {
  font-style: italic;
 }
 //
 // Address variable `h1` font-size and margin within `section` and `article`
 // contexts in Firefox 4+, Safari, and Chrome.
 //
 h1 {
  font-size: 2em;
  margin: 0.67em 0;
 }
 //
 // Address styling not present in IE 8/9.
 //
 mark {
  background: #ff0;
  color: #000;
 }
 //
 // Address inconsistent and variable font size in all browsers.
 //
 small {
  font-size: 80%;
 }
 //
 // Prevent `sub` and `sup` affecting `line-height` in all browsers.
 //
 sub,
 sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
 }
 sup {
  top: -0.5em;
 }
 sub {
  bottom: -0.25em;
 }
 // Embedded content
 // ==========================================================================
 //
 // Remove border when inside `a` element in IE 8/9/10.
 //
 img {
  border: 0;
 }
 //
 // Correct overflow not hidden in IE 9/10/11.
 //
 svg:not(:root) {
  overflow: hidden;
 }
 // Grouping content
 // ==========================================================================
 //
 // Address margin not present in IE 8/9 and Safari.
 //
 figure {
  margin: 1em 40px;
 }
 //
 // Address differences between Firefox and other browsers.
 //
 hr {
  -moz-box-sizing: content-box;
  box-sizing: content-box;
  height: 0;
 }
 //
 // Contain overflow in all browsers.
 //
 pre {
  overflow: auto;
 }
 //
 // Address odd `em`-unit font size rendering in all browsers.
 //
 code,
 kbd,
 pre,
 samp {
  font-family: monospace, monospace;
  font-size: 1em;
 }
 // Forms
 // ==========================================================================
 //
 // Known limitation: by default, Chrome and Safari on OS X allow very limited
 // styling of `select`, unless a `border` property is set.
 //
 //
 // 1. Correct color not being inherited.
 //    Known issue: affects color of disabled elements.
 // 2. Correct font properties not being inherited.
 // 3. Address margins set differently in Firefox 4+, Safari, and Chrome.
 //
 button,
 input,
 optgroup,
 select,
 textarea {
  color: inherit; // 1
  font: inherit; // 2
  margin: 0; // 3
 }
 //
 // Address `overflow` set to `hidden` in IE 8/9/10/11.
 //
 button {
  overflow: visible;
 }
 //
 // Address inconsistent `text-transform` inheritance for `button` and `select`.
 // All other form control elements do not inherit `text-transform` values.
 // Correct `button` style inheritance in Firefox, IE 8/9/10/11, and Opera.
 // Correct `select` style inheritance in Firefox.
 //
 button,
 select {
  text-transform: none;
 }
 //
 // 1. Avoid the WebKit bug in Android 4.0.* where (2) destroys native `audio`
 //    and `video` controls.
 // 2. Correct inability to style clickable `input` types in iOS.
 // 3. Improve usability and consistency of cursor style between image-type
 //    `input` and others.
 //
 button,
 html input[type="button"], // 1
 input[type="reset"],
 input[type="submit"] {
  -webkit-appearance: button; // 2
  cursor: pointer; // 3
 }
 //
 // Re-set default cursor for disabled elements.
 //
 button[disabled],
 html input[disabled] {
  cursor: default;
 }
 //
 // Remove inner padding and border in Firefox 4+.
 //
 button::-moz-focus-inner,
 input::-moz-focus-inner {
  border: 0;
  padding: 0;
 }
 //
 // Address Firefox 4+ setting `line-height` on `input` using `!important` in
 // the UA stylesheet.
 //
 input {
  line-height: normal;
 }
 //
 // It's recommended that you don't attempt to style these elements.
 // Firefox's implementation doesn't respect box-sizing, padding, or width.
 //
 // 1. Address box sizing set to `content-box` in IE 8/9/10.
 // 2. Remove excess padding in IE 8/9/10.
 //
 input[type="checkbox"],
 input[type="radio"] {
  box-sizing: border-box; // 1
  padding: 0; // 2
 }
 //
 // Fix the cursor style for Chrome's increment/decrement buttons. For certain
 // `font-size` values of the `input`, it causes the cursor style of the
 // decrement button to change from `default` to `text`.
 //
 input[type="number"]::-webkit-inner-spin-button,
 input[type="number"]::-webkit-outer-spin-button {
  height: auto;
 }
 //
 // 1. Address `appearance` set to `searchfield` in Safari and Chrome.
 // 2. Address `box-sizing` set to `border-box` in Safari and Chrome
 //    (include `-moz` to future-proof).
 //
 input[type="search"] {
  -webkit-appearance: textfield; // 1
  -moz-box-sizing: content-box;
  -webkit-box-sizing: content-box; // 2
  box-sizing: content-box;
 }
 //
 // Remove inner padding and search cancel button in Safari and Chrome on OS X.
 // Safari (but not Chrome) clips the cancel button when the search input has
 // padding (and `textfield` appearance).
 //
 input[type="search"]::-webkit-search-cancel-button,
 input[type="search"]::-webkit-search-decoration {
  -webkit-appearance: none;
 }
 //
 // Define consistent border, margin, and padding.
 //
 fieldset {
  border: 1px solid #c0c0c0;
  margin: 0 2px;
  padding: 0.35em 0.625em 0.75em;
 }
 //
 // 1. Correct `color` not being inherited in IE 8/9/10/11.
 // 2. Remove padding so people aren't caught out if they zero out fieldsets.
 //
 legend {
  border: 0; // 1
  padding: 0; // 2
 }
 //
 // Remove default vertical scrollbar in IE 8/9/10/11.
 //
 textarea {
  overflow: auto;
 }
 //
 // Don't inherit the `font-weight` (applied by a rule above).
 // NOTE: the default cannot safely be changed in Chrome and Safari on OS X.
 //
 optgroup {
  font-weight: bold;
 }
 // Tables
 // ==========================================================================
 //
 // Remove most spacing between table cells.
 //
 table {
  border-collapse: collapse;
  border-spacing: 0;
 }
 td,
 th {
  padding: 0;
 }
--- a/searx/static/oscar/less/bootstrap/pager.less
+++ b/searx/static/oscar/less/bootstrap/pager.less
@ -0,0 +1,55 @@
 //
 // Pager pagination
 // --------------------------------------------------
 .pager {
  padding-left: 0;
  margin: @line-height-computed 0;
  list-style: none;
  text-align: center;
  &:extend(.clearfix all);
  li {
    display: inline;
    > a,
    > span {
      display: inline-block;
      padding: 5px 14px;
      background-color: @pager-bg;
      border: 1px solid @pager-border;
      border-radius: @pager-border-radius;
    }
    > a:hover,
    > a:focus {
      text-decoration: none;
      background-color: @pager-hover-bg;
    }
  }
  .next {
    > a,
    > span {
      float: right;
    }
  }
  .previous {
    > a,
    > span {
      float: left;
    }
  }
  .disabled {
    > a,
    > a:hover,
    > a:focus,
    > span {
      color: @pager-disabled-color;
      background-color: @pager-bg;
      cursor: not-allowed;
    }
  }
 }
--- a/searx/static/oscar/less/bootstrap/pagination.less
+++ b/searx/static/oscar/less/bootstrap/pagination.less
@ -0,0 +1,88 @@
 //
 // Pagination (multiple pages)
 // --------------------------------------------------
 .pagination {
  display: inline-block;
  padding-left: 0;
  margin: @line-height-computed 0;
  border-radius: @border-radius-base;
  > li {
    display: inline; // Remove list-style and block-level defaults
    > a,
    > span {
      position: relative;
      float: left; // Collapse white-space
      padding: @padding-base-vertical @padding-base-horizontal;
      line-height: @line-height-base;
      text-decoration: none;
      color: @pagination-color;
      background-color: @pagination-bg;
      border: 1px solid @pagination-border;
      margin-left: -1px;
    }
    &:first-child {
      > a,
      > span {
        margin-left: 0;
        .border-left-radius(@border-radius-base);
      }
    }
    &:last-child {
      > a,
      > span {
        .border-right-radius(@border-radius-base);
      }
    }
  }
  > li > a,
  > li > span {
    &:hover,
    &:focus {
      color: @pagination-hover-color;
      background-color: @pagination-hover-bg;
      border-color: @pagination-hover-border;
    }
  }
  > .active > a,
  > .active > span {
    &,
    &:hover,
    &:focus {
      z-index: 2;
      color: @pagination-active-color;
      background-color: @pagination-active-bg;
      border-color: @pagination-active-border;
      cursor: default;
    }
  }
  > .disabled {
    > span,
    > span:hover,
    > span:focus,
    > a,
    > a:hover,
    > a:focus {
      color: @pagination-disabled-color;
      background-color: @pagination-disabled-bg;
      border-color: @pagination-disabled-border;
      cursor: not-allowed;
    }
  }
 }
 // Sizing
 // --------------------------------------------------
 // Large
 .pagination-lg {
  .pagination-size(@padding-large-vertical; @padding-large-horizontal; @font-size-large; @border-radius-large);
 }
 // Small
 .pagination-sm {
  .pagination-size(@padding-small-vertical; @padding-small-horizontal; @font-size-small; @border-radius-small);
 }
--- a/searx/static/oscar/less/bootstrap/panels.less
+++ b/searx/static/oscar/less/bootstrap/panels.less
@ -0,0 +1,243 @@
 //
 // Panels
 // --------------------------------------------------
 // Base class
 .panel {
  margin-bottom: @line-height-computed;
  background-color: @panel-bg;
  border: 1px solid transparent;
  border-radius: @panel-border-radius;
  .box-shadow(0 1px 1px rgba(0,0,0,.05));
 }
 // Panel contents
 .panel-body {
  padding: @panel-body-padding;
  &:extend(.clearfix all);
 }
 // Optional heading
 .panel-heading {
  padding: @panel-heading-padding;
  border-bottom: 1px solid transparent;
  .border-top-radius((@panel-border-radius - 1));
  > .dropdown .dropdown-toggle {
    color: inherit;
  }
 }
 // Within heading, strip any `h*` tag of its default margins for spacing.
 .panel-title {
  margin-top: 0;
  margin-bottom: 0;
  font-size: ceil((@font-size-base * 1.125));
  color: inherit;
  > a {
    color: inherit;
  }
 }
 // Optional footer (stays gray in every modifier class)
 .panel-footer {
  padding: @panel-footer-padding;
  background-color: @panel-footer-bg;
  border-top: 1px solid @panel-inner-border;
  .border-bottom-radius((@panel-border-radius - 1));
 }
 // List groups in panels
 //
 // By default, space out list group content from panel headings to account for
 // any kind of custom content between the two.
 .panel {
  > .list-group {
    margin-bottom: 0;
    .list-group-item {
      border-width: 1px 0;
      border-radius: 0;
    }
    // Add border top radius for first one
    &:first-child {
      .list-group-item:first-child {
        border-top: 0;
        .border-top-radius((@panel-border-radius - 1));
      }
    }
    // Add border bottom radius for last one
    &:last-child {
      .list-group-item:last-child {
        border-bottom: 0;
        .border-bottom-radius((@panel-border-radius - 1));
      }
    }
  }
 }
 // Collapse space between when there's no additional content.
 .panel-heading + .list-group {
  .list-group-item:first-child {
    border-top-width: 0;
  }
 }
 .list-group + .panel-footer {
  border-top-width: 0;
 }
 // Tables in panels
 //
 // Place a non-bordered `.table` within a panel (not within a `.panel-body`) and
 // watch it go full width.
 .panel {
  > .table,
  > .table-responsive > .table,
  > .panel-collapse > .table {
    margin-bottom: 0;
  }
  // Add border top radius for first one
  > .table:first-child,
  > .table-responsive:first-child > .table:first-child {
    .border-top-radius((@panel-border-radius - 1));
    > thead:first-child,
    > tbody:first-child {
      > tr:first-child {
        td:first-child,
        th:first-child {
          border-top-left-radius: (@panel-border-radius - 1);
        }
        td:last-child,
        th:last-child {
          border-top-right-radius: (@panel-border-radius - 1);
        }
      }
    }
  }
  // Add border bottom radius for last one
  > .table:last-child,
  > .table-responsive:last-child > .table:last-child {
    .border-bottom-radius((@panel-border-radius - 1));
    > tbody:last-child,
    > tfoot:last-child {
      > tr:last-child {
        td:first-child,
        th:first-child {
          border-bottom-left-radius: (@panel-border-radius - 1);
        }
        td:last-child,
        th:last-child {
          border-bottom-right-radius: (@panel-border-radius - 1);
        }
      }
    }
  }
  > .panel-body + .table,
  > .panel-body + .table-responsive {
    border-top: 1px solid @table-border-color;
  }
  > .table > tbody:first-child > tr:first-child th,
  > .table > tbody:first-child > tr:first-child td {
    border-top: 0;
  }
  > .table-bordered,
  > .table-responsive > .table-bordered {
    border: 0;
    > thead,
    > tbody,
    > tfoot {
      > tr {
        > th:first-child,
        > td:first-child {
          border-left: 0;
        }
        > th:last-child,
        > td:last-child {
          border-right: 0;
        }
      }
    }
    > thead,
    > tbody {
      > tr:first-child {
        > td,
        > th {
          border-bottom: 0;
        }
      }
    }
    > tbody,
    > tfoot {
      > tr:last-child {
        > td,
        > th {
          border-bottom: 0;
        }
      }
    }
  }
  > .table-responsive {
    border: 0;
    margin-bottom: 0;
  }
 }
 // Collapsable panels (aka, accordion)
 //
 // Wrap a series of panels in `.panel-group` to turn them into an accordion with
 // the help of our collapse JavaScript plugin.
 .panel-group {
  margin-bottom: @line-height-computed;
  // Tighten up margin so it's only between panels
  .panel {
    margin-bottom: 0;
    border-radius: @panel-border-radius;
    + .panel {
      margin-top: 5px;
    }
  }
  .panel-heading {
    border-bottom: 0;
    + .panel-collapse > .panel-body {
      border-top: 1px solid @panel-inner-border;
    }
  }
  .panel-footer {
    border-top: 0;
    + .panel-collapse .panel-body {
      border-bottom: 1px solid @panel-inner-border;
    }
  }
 }
 // Contextual variations
 .panel-default {
  .panel-variant(@panel-default-border; @panel-default-text; @panel-default-heading-bg; @panel-default-border);
 }
 .panel-primary {
  .panel-variant(@panel-primary-border; @panel-primary-text; @panel-primary-heading-bg; @panel-primary-border);
 }
 .panel-success {
  .panel-variant(@panel-success-border; @panel-success-text; @panel-success-heading-bg; @panel-success-border);
 }
 .panel-info {
  .panel-variant(@panel-info-border; @panel-info-text; @panel-info-heading-bg; @panel-info-border);
 }
 .panel-warning {
  .panel-variant(@panel-warning-border; @panel-warning-text; @panel-warning-heading-bg; @panel-warning-border);
 }
 .panel-danger {
  .panel-variant(@panel-danger-border; @panel-danger-text; @panel-danger-heading-bg; @panel-danger-border);
 }
--- a/searx/static/oscar/less/bootstrap/popovers.less
+++ b/searx/static/oscar/less/bootstrap/popovers.less
@ -0,0 +1,133 @@
 //
 // Popovers
 // --------------------------------------------------
 .popover {
  position: absolute;
  top: 0;
  left: 0;
  z-index: @zindex-popover;
  display: none;
  max-width: @popover-max-width;
  padding: 1px;
  text-align: left; // Reset given new insertion method
  background-color: @popover-bg;
  background-clip: padding-box;
  border: 1px solid @popover-fallback-border-color;
  border: 1px solid @popover-border-color;
  border-radius: @border-radius-large;
  .box-shadow(0 5px 10px rgba(0,0,0,.2));
  // Overrides for proper insertion
  white-space: normal;
  // Offset the popover to account for the popover arrow
  &.top     { margin-top: -@popover-arrow-width; }
  &.right   { margin-left: @popover-arrow-width; }
  &.bottom  { margin-top: @popover-arrow-width; }
  &.left    { margin-left: -@popover-arrow-width; }
 }
 .popover-title {
  margin: 0; // reset heading margin
  padding: 8px 14px;
  font-size: @font-size-base;
  font-weight: normal;
  line-height: 18px;
  background-color: @popover-title-bg;
  border-bottom: 1px solid darken(@popover-title-bg, 5%);
  border-radius: (@border-radius-large - 1) (@border-radius-large - 1) 0 0;
 }
 .popover-content {
  padding: 9px 14px;
 }
 // Arrows
 //
 // .arrow is outer, .arrow:after is inner
 .popover > .arrow {
  &,
  &:after {
    position: absolute;
    display: block;
    width: 0;
    height: 0;
    border-color: transparent;
    border-style: solid;
  }
 }
 .popover > .arrow {
  border-width: @popover-arrow-outer-width;
 }
 .popover > .arrow:after {
  border-width: @popover-arrow-width;
  content: "";
 }
 .popover {
  &.top > .arrow {
    left: 50%;
    margin-left: -@popover-arrow-outer-width;
    border-bottom-width: 0;
    border-top-color: @popover-arrow-outer-fallback-color; // IE8 fallback
    border-top-color: @popover-arrow-outer-color;
    bottom: -@popover-arrow-outer-width;
    &:after {
      content: " ";
      bottom: 1px;
      margin-left: -@popover-arrow-width;
      border-bottom-width: 0;
      border-top-color: @popover-arrow-color;
    }
  }
  &.right > .arrow {
    top: 50%;
    left: -@popover-arrow-outer-width;
    margin-top: -@popover-arrow-outer-width;
    border-left-width: 0;
    border-right-color: @popover-arrow-outer-fallback-color; // IE8 fallback
    border-right-color: @popover-arrow-outer-color;
    &:after {
      content: " ";
      left: 1px;
      bottom: -@popover-arrow-width;
      border-left-width: 0;
      border-right-color: @popover-arrow-color;
    }
  }
  &.bottom > .arrow {
    left: 50%;
    margin-left: -@popover-arrow-outer-width;
    border-top-width: 0;
    border-bottom-color: @popover-arrow-outer-fallback-color; // IE8 fallback
    border-bottom-color: @popover-arrow-outer-color;
    top: -@popover-arrow-outer-width;
    &:after {
      content: " ";
      top: 1px;
      margin-left: -@popover-arrow-width;
      border-top-width: 0;
      border-bottom-color: @popover-arrow-color;
    }
  }
  &.left > .arrow {
    top: 50%;
    right: -@popover-arrow-outer-width;
    margin-top: -@popover-arrow-outer-width;
    border-right-width: 0;
    border-left-color: @popover-arrow-outer-fallback-color; // IE8 fallback
    border-left-color: @popover-arrow-outer-color;
    &:after {
      content: " ";
      right: 1px;
      border-right-width: 0;
      border-left-color: @popover-arrow-color;
      bottom: -@popover-arrow-width;
    }
  }
 }
--- a/searx/static/oscar/less/bootstrap/print.less
+++ b/searx/static/oscar/less/bootstrap/print.less
@ -0,0 +1,101 @@
 //
 // Basic print styles
 // --------------------------------------------------
 // Source: https://github.com/h5bp/html5-boilerplate/blob/master/css/main.css
@media print {
  * {
    text-shadow: none !important;
    color: #000 !important; // Black prints faster: h5bp.com/s
    background: transparent !important;
    box-shadow: none !important;
  }
  a,
  a:visited {
    text-decoration: underline;
  }
  a[href]:after {
    content: " (" attr(href) ")";
  }
  abbr[title]:after {
    content: " (" attr(title) ")";
  }
  // Don't show links for images, or javascript/internal links
  a[href^="javascript:"]:after,
  a[href^="#"]:after {
    content: "";
  }
  pre,
  blockquote {
    border: 1px solid #999;
    page-break-inside: avoid;
  }
  thead {
    display: table-header-group; // h5bp.com/t
  }
  tr,
  img {
    page-break-inside: avoid;
  }
  img {
    max-width: 100% !important;
  }
  p,
  h2,
  h3 {
    orphans: 3;
    widows: 3;
  }
  h2,
  h3 {
    page-break-after: avoid;
  }
  // Chrome (OSX) fix for https://github.com/twbs/bootstrap/issues/11245
  // Once fixed, we can just straight up remove this.
  select {
    background: #fff !important;
  }
  // Bootstrap components
  .navbar {
    display: none;
  }
  .table {
    td,
    th {
      background-color: #fff !important;
    }
  }
  .btn,
  .dropup > .btn {
    > .caret {
      border-top-color: #000 !important;
    }
  }
  .label {
    border: 1px solid #000;
  }
  .table {
    border-collapse: collapse !important;
  }
  .table-bordered {
    th,
    td {
      border: 1px solid #ddd !important;
    }
  }
 }
--- a/searx/static/oscar/less/bootstrap/progress-bars.less
+++ b/searx/static/oscar/less/bootstrap/progress-bars.less
@ -0,0 +1,105 @@
 //
 // Progress bars
 // --------------------------------------------------
 // Bar animations
 // -------------------------
 // WebKit
@-webkit-keyframes progress-bar-stripes {
  from  { background-position: 40px 0; }
  to    { background-position: 0 0; }
 }
 // Spec and IE10+
@keyframes progress-bar-stripes {
  from  { background-position: 40px 0; }
  to    { background-position: 0 0; }
 }
 // Bar itself
 // -------------------------
 // Outer container
 .progress {
  overflow: hidden;
  height: @line-height-computed;
  margin-bottom: @line-height-computed;
  background-color: @progress-bg;
  border-radius: @border-radius-base;
  .box-shadow(inset 0 1px 2px rgba(0,0,0,.1));
 }
 // Bar of progress
 .progress-bar {
  float: left;
  width: 0%;
  height: 100%;
  font-size: @font-size-small;
  line-height: @line-height-computed;
  color: @progress-bar-color;
  text-align: center;
  background-color: @progress-bar-bg;
  .box-shadow(inset 0 -1px 0 rgba(0,0,0,.15));
  .transition(width .6s ease);
 }
 // Striped bars
 //
 // `.progress-striped .progress-bar` is deprecated as of v3.2.0 in favor of the
 // `.progress-bar-striped` class, which you just add to an existing
 // `.progress-bar`.
 .progress-striped .progress-bar,
 .progress-bar-striped {
  #gradient > .striped();
  background-size: 40px 40px;
 }
 // Call animation for the active one
 //
 // `.progress.active .progress-bar` is deprecated as of v3.2.0 in favor of the
 // `.progress-bar.active` approach.
 .progress.active .progress-bar,
 .progress-bar.active {
  .animation(progress-bar-stripes 2s linear infinite);
 }
 // Account for lower percentages
 .progress-bar {
  &[aria-valuenow="1"],
  &[aria-valuenow="2"] {
    min-width: 30px;
  }
  &[aria-valuenow="0"] {
    color: @gray-light;
    min-width: 30px;
    background-color: transparent;
    background-image: none;
    box-shadow: none;
  }
 }
 // Variations
 // -------------------------
 .progress-bar-success {
  .progress-bar-variant(@progress-bar-success-bg);
 }
 .progress-bar-info {
  .progress-bar-variant(@progress-bar-info-bg);
 }
 .progress-bar-warning {
  .progress-bar-variant(@progress-bar-warning-bg);
 }
 .progress-bar-danger {
  .progress-bar-variant(@progress-bar-danger-bg);
 }
--- a/searx/static/oscar/less/bootstrap/responsive-embed.less
+++ b/searx/static/oscar/less/bootstrap/responsive-embed.less
@ -0,0 +1,34 @@
 // Embeds responsive
 //
 // Credit: Nicolas Gallagher and SUIT CSS.
 .embed-responsive {
  position: relative;
  display: block;
  height: 0;
  padding: 0;
  overflow: hidden;
  .embed-responsive-item,
  iframe,
  embed,
  object {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    height: 100%;
    width: 100%;
    border: 0;
  }
  // Modifier class for 16:9 aspect ratio
  &.embed-responsive-16by9 {
    padding-bottom: 56.25%;
  }
  // Modifier class for 4:3 aspect ratio
  &.embed-responsive-4by3 {
    padding-bottom: 75%;
  }
 }
--- a/searx/static/oscar/less/bootstrap/responsive-utilities.less
+++ b/searx/static/oscar/less/bootstrap/responsive-utilities.less
@ -0,0 +1,194 @@
 //
 // Responsive: Utility classes
 // --------------------------------------------------
 // IE10 in Windows (Phone) 8
 //
 // Support for responsive views via media queries is kind of borked in IE10, for
 // Surface/desktop in split view and for Windows Phone 8. This particular fix
 // must be accompanied by a snippet of JavaScript to sniff the user agent and
 // apply some conditional CSS to *only* the Surface/desktop Windows 8. Look at
 // our Getting Started page for more information on this bug.
 //
 // For more information, see the following:
 //
 // Issue: https://github.com/twbs/bootstrap/issues/10497
 // Docs: http://getbootstrap.com/getting-started/#support-ie10-width
 // Source: http://timkadlec.com/2013/01/windows-phone-8-and-device-width/
 // Source: http://timkadlec.com/2012/10/ie10-snap-mode-and-responsive-design/
@-ms-viewport {
  width: device-width;
 }
 // Visibility utilities
 // Note: Deprecated .visible-xs, .visible-sm, .visible-md, and .visible-lg as of v3.2.0
 .visible-xs,
 .visible-sm,
 .visible-md,
 .visible-lg {
  .responsive-invisibility();
 }
 .visible-xs-block,
 .visible-xs-inline,
 .visible-xs-inline-block,
 .visible-sm-block,
 .visible-sm-inline,
 .visible-sm-inline-block,
 .visible-md-block,
 .visible-md-inline,
 .visible-md-inline-block,
 .visible-lg-block,
 .visible-lg-inline,
 .visible-lg-inline-block {
  display: none !important;
 }
 .visible-xs {
  @media (max-width: @screen-xs-max) {
    .responsive-visibility();
  }
 }
 .visible-xs-block {
  @media (max-width: @screen-xs-max) {
    display: block !important;
  }
 }
 .visible-xs-inline {
  @media (max-width: @screen-xs-max) {
    display: inline !important;
  }
 }
 .visible-xs-inline-block {
  @media (max-width: @screen-xs-max) {
    display: inline-block !important;
  }
 }
 .visible-sm {
  @media (min-width: @screen-sm-min) and (max-width: @screen-sm-max) {
    .responsive-visibility();
  }
 }
 .visible-sm-block {
  @media (min-width: @screen-sm-min) and (max-width: @screen-sm-max) {
    display: block !important;
  }
 }
 .visible-sm-inline {
  @media (min-width: @screen-sm-min) and (max-width: @screen-sm-max) {
    display: inline !important;
  }
 }
 .visible-sm-inline-block {
  @media (min-width: @screen-sm-min) and (max-width: @screen-sm-max) {
    display: inline-block !important;
  }
 }
 .visible-md {
  @media (min-width: @screen-md-min) and (max-width: @screen-md-max) {
    .responsive-visibility();
  }
 }
 .visible-md-block {
  @media (min-width: @screen-md-min) and (max-width: @screen-md-max) {
    display: block !important;
  }
 }
 .visible-md-inline {
  @media (min-width: @screen-md-min) and (max-width: @screen-md-max) {
    display: inline !important;
  }
 }
 .visible-md-inline-block {
  @media (min-width: @screen-md-min) and (max-width: @screen-md-max) {
    display: inline-block !important;
  }
 }
 .visible-lg {
  @media (min-width: @screen-lg-min) {
    .responsive-visibility();
  }
 }
 .visible-lg-block {
  @media (min-width: @screen-lg-min) {
    display: block !important;
  }
 }
 .visible-lg-inline {
  @media (min-width: @screen-lg-min) {
    display: inline !important;
  }
 }
 .visible-lg-inline-block {
  @media (min-width: @screen-lg-min) {
    display: inline-block !important;
  }
 }
 .hidden-xs {
  @media (max-width: @screen-xs-max) {
    .responsive-invisibility();
  }
 }
 .hidden-sm {
  @media (min-width: @screen-sm-min) and (max-width: @screen-sm-max) {
    .responsive-invisibility();
  }
 }
 .hidden-md {
  @media (min-width: @screen-md-min) and (max-width: @screen-md-max) {
    .responsive-invisibility();
  }
 }
 .hidden-lg {
  @media (min-width: @screen-lg-min) {
    .responsive-invisibility();
  }
 }
 // Print utilities
 //
 // Media queries are placed on the inside to be mixin-friendly.
 // Note: Deprecated .visible-print as of v3.2.0
 .visible-print {
  .responsive-invisibility();
  @media print {
    .responsive-visibility();
  }
 }
 .visible-print-block {
  display: none !important;
  @media print {
    display: block !important;
  }
 }
 .visible-print-inline {
  display: none !important;
  @media print {
    display: inline !important;
  }
 }
 .visible-print-inline-block {
  display: none !important;
  @media print {
    display: inline-block !important;
  }
 }
 .hidden-print {
  @media print {
    .responsive-invisibility();
  }
 }
--- a/searx/static/oscar/less/bootstrap/scaffolding.less
+++ b/searx/static/oscar/less/bootstrap/scaffolding.less
@ -0,0 +1,150 @@
 //
 // Scaffolding
 // --------------------------------------------------
 // Reset the box-sizing
 //
 // Heads up! This reset may cause conflicts with some third-party widgets.
 // For recommendations on resolving such conflicts, see
 // http://getbootstrap.com/getting-started/#third-box-sizing
 * {
  .box-sizing(border-box);
 }
 *:before,
 *:after {
  .box-sizing(border-box);
 }
 // Body reset
 html {
  font-size: 10px;
  -webkit-tap-highlight-color: rgba(0,0,0,0);
 }
 body {
  font-family: @font-family-base;
  font-size: @font-size-base;
  line-height: @line-height-base;
  color: @text-color;
  background-color: @body-bg;
 }
 // Reset fonts for relevant elements
 input,
 button,
 select,
 textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
 }
 // Links
 a {
  color: @link-color;
  text-decoration: none;
  &:hover,
  &:focus {
    color: @link-hover-color;
    text-decoration: underline;
  }
  &:focus {
    .tab-focus();
  }
 }
 // Figures
 //
 // We reset this here because previously Normalize had no `figure` margins. This
 // ensures we don't break anyone's use of the element.
 figure {
  margin: 0;
 }
 // Images
 img {
  vertical-align: middle;
 }
 // Responsive images (ensure images don't scale beyond their parents)
 .img-responsive {
  .img-responsive();
 }
 // Rounded corners
 .img-rounded {
  border-radius: @border-radius-large;
 }
 // Image thumbnails
 //
 // Heads up! This is mixin-ed into thumbnails.less for `.thumbnail`.
 .img-thumbnail {
  padding: @thumbnail-padding;
  line-height: @line-height-base;
  background-color: @thumbnail-bg;
  border: 1px solid @thumbnail-border;
  border-radius: @thumbnail-border-radius;
  .transition(all .2s ease-in-out);
  // Keep them at most 100% wide
  .img-responsive(inline-block);
 }
 // Perfect circle
 .img-circle {
  border-radius: 50%; // set radius in percents
 }
 // Horizontal rules
 hr {
  margin-top:    @line-height-computed;
  margin-bottom: @line-height-computed;
  border: 0;
  border-top: 1px solid @hr-border;
 }
 // Only display content to screen readers
 //
 // See: http://a11yproject.com/posts/how-to-hide-content/
 .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
 }
 // Use in conjunction with .sr-only to only display content when it's focused.
 // Useful for "Skip to main content" links; see http://www.w3.org/TR/2013/NOTE-WCAG20-TECHS-20130905/G1
 // Credit: HTML5 Boilerplate
 .sr-only-focusable {
  &:active,
  &:focus {
    position: static;
    width: auto;
    height: auto;
    margin: 0;
    overflow: visible;
    clip: auto;
  }
 }
--- a/searx/static/oscar/less/bootstrap/tables.less
+++ b/searx/static/oscar/less/bootstrap/tables.less
@ -0,0 +1,233 @@
 //
 // Tables
 // --------------------------------------------------
 table {
  background-color: @table-bg;
 }
 th {
  text-align: left;
 }
 // Baseline styles
 .table {
  width: 100%;
  max-width: 100%;
  margin-bottom: @line-height-computed;
  // Cells
  > thead,
  > tbody,
  > tfoot {
    > tr {
      > th,
      > td {
        padding: @table-cell-padding;
        line-height: @line-height-base;
        vertical-align: top;
        border-top: 1px solid @table-border-color;
      }
    }
  }
  // Bottom align for column headings
  > thead > tr > th {
    vertical-align: bottom;
    border-bottom: 2px solid @table-border-color;
  }
  // Remove top border from thead by default
  > caption + thead,
  > colgroup + thead,
  > thead:first-child {
    > tr:first-child {
      > th,
      > td {
        border-top: 0;
      }
    }
  }
  // Account for multiple tbody instances
  > tbody + tbody {
    border-top: 2px solid @table-border-color;
  }
  // Nesting
  .table {
    background-color: @body-bg;
  }
 }
 // Condensed table w/ half padding
 .table-condensed {
  > thead,
  > tbody,
  > tfoot {
    > tr {
      > th,
      > td {
        padding: @table-condensed-cell-padding;
      }
    }
  }
 }
 // Bordered version
 //
 // Add borders all around the table and between all the columns.
 .table-bordered {
  border: 1px solid @table-border-color;
  > thead,
  > tbody,
  > tfoot {
    > tr {
      > th,
      > td {
        border: 1px solid @table-border-color;
      }
    }
  }
  > thead > tr {
    > th,
    > td {
      border-bottom-width: 2px;
    }
  }
 }
 // Zebra-striping
 //
 // Default zebra-stripe styles (alternating gray and transparent backgrounds)
 .table-striped {
  > tbody > tr:nth-child(odd) {
    > td,
    > th {
      background-color: @table-bg-accent;
    }
  }
 }
 // Hover effect
 //
 // Placed here since it has to come after the potential zebra striping
 .table-hover {
  > tbody > tr:hover {
    > td,
    > th {
      background-color: @table-bg-hover;
    }
  }
 }
 // Table cell sizing
 //
 // Reset default table behavior
 table col[class*="col-"] {
  position: static; // Prevent border hiding in Firefox and IE9/10 (see https://github.com/twbs/bootstrap/issues/11623)
  float: none;
  display: table-column;
 }
 table {
  td,
  th {
    &[class*="col-"] {
      position: static; // Prevent border hiding in Firefox and IE9/10 (see https://github.com/twbs/bootstrap/issues/11623)
      float: none;
      display: table-cell;
    }
  }
 }
 // Table backgrounds
 //
 // Exact selectors below required to override `.table-striped` and prevent
 // inheritance to nested tables.
 // Generate the contextual variants
 .table-row-variant(active; @table-bg-active);
 .table-row-variant(success; @state-success-bg);
 .table-row-variant(info; @state-info-bg);
 .table-row-variant(warning; @state-warning-bg);
 .table-row-variant(danger; @state-danger-bg);
 // Responsive tables
 //
 // Wrap your tables in `.table-responsive` and we'll make them mobile friendly
 // by enabling horizontal scrolling. Only applies <768px. Everything above that
 // will display normally.
 .table-responsive {
  @media screen and (max-width: @screen-xs-max) {
    width: 100%;
    margin-bottom: (@line-height-computed * 0.75);
    overflow-y: hidden;
    overflow-x: auto;
    -ms-overflow-style: -ms-autohiding-scrollbar;
    border: 1px solid @table-border-color;
    -webkit-overflow-scrolling: touch;
    // Tighten up spacing
    > .table {
      margin-bottom: 0;
      // Ensure the content doesn't wrap
      > thead,
      > tbody,
      > tfoot {
        > tr {
          > th,
          > td {
            white-space: nowrap;
          }
        }
      }
    }
    // Special overrides for the bordered tables
    > .table-bordered {
      border: 0;
      // Nuke the appropriate borders so that the parent can handle them
      > thead,
      > tbody,
      > tfoot {
        > tr {
          > th:first-child,
          > td:first-child {
            border-left: 0;
          }
          > th:last-child,
          > td:last-child {
            border-right: 0;
          }
        }
      }
      // Only nuke the last row's bottom-border in `tbody` and `tfoot` since
      // chances are there will be only one `tr` in a `thead` and that would
      // remove the border altogether.
      > tbody,
      > tfoot {
        > tr:last-child {
          > th,
          > td {
            border-bottom: 0;
          }
        }
      }
    }
  }
 }
--- a/searx/static/oscar/less/bootstrap/theme.less
+++ b/searx/static/oscar/less/bootstrap/theme.less
@ -0,0 +1,258 @@
 //
 // Load core variables and mixins
 // --------------------------------------------------
@import "variables.less";
@import "mixins.less";
 //
 // Buttons
 // --------------------------------------------------
 // Common styles
 .btn-default,
 .btn-primary,
 .btn-success,
 .btn-info,
 .btn-warning,
 .btn-danger {
  text-shadow: 0 -1px 0 rgba(0,0,0,.2);
  @shadow: inset 0 1px 0 rgba(255,255,255,.15), 0 1px 1px rgba(0,0,0,.075);
  .box-shadow(@shadow);
  // Reset the shadow
  &:active,
  &.active {
    .box-shadow(inset 0 3px 5px rgba(0,0,0,.125));
  }
 }
 // Mixin for generating new styles
 .btn-styles(@btn-color: #555) {
  #gradient > .vertical(@start-color: @btn-color; @end-color: darken(@btn-color, 12%));
  .reset-filter(); // Disable gradients for IE9 because filter bleeds through rounded corners
  background-repeat: repeat-x;
  border-color: darken(@btn-color, 14%);
  &:hover,
  &:focus  {
    background-color: darken(@btn-color, 12%);
    background-position: 0 -15px;
  }
  &:active,
  &.active {
    background-color: darken(@btn-color, 12%);
    border-color: darken(@btn-color, 14%);
  }
  &:disabled,
  &[disabled] {
    background-color: darken(@btn-color, 12%);
    background-image: none;
  }
 }
 // Common styles
 .btn {
  // Remove the gradient for the pressed/active state
  &:active,
  &.active {
    background-image: none;
  }
 }
 // Apply the mixin to the buttons
 .btn-default { .btn-styles(@btn-default-bg); text-shadow: 0 1px 0 #fff; border-color: #ccc; }
 .btn-primary { .btn-styles(@btn-primary-bg); }
 .btn-success { .btn-styles(@btn-success-bg); }
 .btn-info    { .btn-styles(@btn-info-bg); }
 .btn-warning { .btn-styles(@btn-warning-bg); }
 .btn-danger  { .btn-styles(@btn-danger-bg); }
 //
 // Images
 // --------------------------------------------------
 .thumbnail,
 .img-thumbnail {
  .box-shadow(0 1px 2px rgba(0,0,0,.075));
 }
 //
 // Dropdowns
 // --------------------------------------------------
 .dropdown-menu > li > a:hover,
 .dropdown-menu > li > a:focus {
  #gradient > .vertical(@start-color: @dropdown-link-hover-bg; @end-color: darken(@dropdown-link-hover-bg, 5%));
  background-color: darken(@dropdown-link-hover-bg, 5%);
 }
 .dropdown-menu > .active > a,
 .dropdown-menu > .active > a:hover,
 .dropdown-menu > .active > a:focus {
  #gradient > .vertical(@start-color: @dropdown-link-active-bg; @end-color: darken(@dropdown-link-active-bg, 5%));
  background-color: darken(@dropdown-link-active-bg, 5%);
 }
 //
 // Navbar
 // --------------------------------------------------
 // Default navbar
 .navbar-default {
  #gradient > .vertical(@start-color: lighten(@navbar-default-bg, 10%); @end-color: @navbar-default-bg);
  .reset-filter(); // Remove gradient in IE<10 to fix bug where dropdowns don't get triggered
  border-radius: @navbar-border-radius;
  @shadow: inset 0 1px 0 rgba(255,255,255,.15), 0 1px 5px rgba(0,0,0,.075);
  .box-shadow(@shadow);
  .navbar-nav > .active > a {
    #gradient > .vertical(@start-color: darken(@navbar-default-bg, 5%); @end-color: darken(@navbar-default-bg, 2%));
    .box-shadow(inset 0 3px 9px rgba(0,0,0,.075));
  }
 }
 .navbar-brand,
 .navbar-nav > li > a {
  text-shadow: 0 1px 0 rgba(255,255,255,.25);
 }
 // Inverted navbar
 .navbar-inverse {
  #gradient > .vertical(@start-color: lighten(@navbar-inverse-bg, 10%); @end-color: @navbar-inverse-bg);
  .reset-filter(); // Remove gradient in IE<10 to fix bug where dropdowns don't get triggered
  .navbar-nav > .active > a {
    #gradient > .vertical(@start-color: @navbar-inverse-bg; @end-color: lighten(@navbar-inverse-bg, 2.5%));
    .box-shadow(inset 0 3px 9px rgba(0,0,0,.25));
  }
  .navbar-brand,
  .navbar-nav > li > a {
    text-shadow: 0 -1px 0 rgba(0,0,0,.25);
  }
 }
 // Undo rounded corners in static and fixed navbars
 .navbar-static-top,
 .navbar-fixed-top,
 .navbar-fixed-bottom {
  border-radius: 0;
 }
 //
 // Alerts
 // --------------------------------------------------
 // Common styles
 .alert {
  text-shadow: 0 1px 0 rgba(255,255,255,.2);
  @shadow: inset 0 1px 0 rgba(255,255,255,.25), 0 1px 2px rgba(0,0,0,.05);
  .box-shadow(@shadow);
 }
 // Mixin for generating new styles
 .alert-styles(@color) {
  #gradient > .vertical(@start-color: @color; @end-color: darken(@color, 7.5%));
  border-color: darken(@color, 15%);
 }
 // Apply the mixin to the alerts
 .alert-success    { .alert-styles(@alert-success-bg); }
 .alert-info       { .alert-styles(@alert-info-bg); }
 .alert-warning    { .alert-styles(@alert-warning-bg); }
 .alert-danger     { .alert-styles(@alert-danger-bg); }
 //
 // Progress bars
 // --------------------------------------------------
 // Give the progress background some depth
 .progress {
  #gradient > .vertical(@start-color: darken(@progress-bg, 4%); @end-color: @progress-bg)
 }
 // Mixin for generating new styles
 .progress-bar-styles(@color) {
  #gradient > .vertical(@start-color: @color; @end-color: darken(@color, 10%));
 }
 // Apply the mixin to the progress bars
 .progress-bar            { .progress-bar-styles(@progress-bar-bg); }
 .progress-bar-success    { .progress-bar-styles(@progress-bar-success-bg); }
 .progress-bar-info       { .progress-bar-styles(@progress-bar-info-bg); }
 .progress-bar-warning    { .progress-bar-styles(@progress-bar-warning-bg); }
 .progress-bar-danger     { .progress-bar-styles(@progress-bar-danger-bg); }
 // Reset the striped class because our mixins don't do multiple gradients and
 // the above custom styles override the new `.progress-bar-striped` in v3.2.0.
 .progress-bar-striped {
  #gradient > .striped();
 }
 //
 // List groups
 // --------------------------------------------------
 .list-group {
  border-radius: @border-radius-base;
  .box-shadow(0 1px 2px rgba(0,0,0,.075));
 }
 .list-group-item.active,
 .list-group-item.active:hover,
 .list-group-item.active:focus {
  text-shadow: 0 -1px 0 darken(@list-group-active-bg, 10%);
  #gradient > .vertical(@start-color: @list-group-active-bg; @end-color: darken(@list-group-active-bg, 7.5%));
  border-color: darken(@list-group-active-border, 7.5%);
 }
 //
 // Panels
 // --------------------------------------------------
 // Common styles
 .panel {
  .box-shadow(0 1px 2px rgba(0,0,0,.05));
 }
 // Mixin for generating new styles
 .panel-heading-styles(@color) {
  #gradient > .vertical(@start-color: @color; @end-color: darken(@color, 5%));
 }
 // Apply the mixin to the panel headings only
 .panel-default > .panel-heading   { .panel-heading-styles(@panel-default-heading-bg); }
 .panel-primary > .panel-heading   { .panel-heading-styles(@panel-primary-heading-bg); }
 .panel-success > .panel-heading   { .panel-heading-styles(@panel-success-heading-bg); }
 .panel-info > .panel-heading      { .panel-heading-styles(@panel-info-heading-bg); }
 .panel-warning > .panel-heading   { .panel-heading-styles(@panel-warning-heading-bg); }
 .panel-danger > .panel-heading    { .panel-heading-styles(@panel-danger-heading-bg); }
 //
 // Wells
 // --------------------------------------------------
 .well {
  #gradient > .vertical(@start-color: darken(@well-bg, 5%); @end-color: @well-bg);
  border-color: darken(@well-bg, 10%);
  @shadow: inset 0 1px 3px rgba(0,0,0,.05), 0 1px 0 rgba(255,255,255,.1);
  .box-shadow(@shadow);
 }
--- a/searx/static/oscar/less/bootstrap/thumbnails.less
+++ b/searx/static/oscar/less/bootstrap/thumbnails.less
@ -0,0 +1,36 @@
 //
 // Thumbnails
 // --------------------------------------------------
 // Mixin and adjust the regular image class
 .thumbnail {
  display: block;
  padding: @thumbnail-padding;
  margin-bottom: @line-height-computed;
  line-height: @line-height-base;
  background-color: @thumbnail-bg;
  border: 1px solid @thumbnail-border;
  border-radius: @thumbnail-border-radius;
  .transition(all .2s ease-in-out);
  > img,
  a > img {
    &:extend(.img-responsive);
    margin-left: auto;
    margin-right: auto;
  }
  // Add a hover state for linked versions only
  a&:hover,
  a&:focus,
  a&.active {
    border-color: @link-color;
  }
  // Image captions
  .caption {
    padding: @thumbnail-caption-padding;
    color: @thumbnail-caption-color;
  }
 }
--- a/Show More
+++ b/Show More
		`@ -0,0 +1,2 @@`
							`Source: http://www.iconspedia.com/pack/flat-gradient-social-icons-4384/`
							`License: Free for non commercial use.`