diff --git a/searx/static/themes/simple/src/less/definitions.less b/searx/static/themes/simple/src/less/definitions.less
index e40acb947..a3f6db9ae 100644
--- a/searx/static/themes/simple/src/less/definitions.less
+++ b/searx/static/themes/simple/src/less/definitions.less
@@ -25,7 +25,6 @@
   --color-backtotop-font: #444;
   --color-backtotop-border: #ddd;
   --color-backtotop-background: #fff;
-  --color-backtotop-shadow: #ccc;
   /// Button Colors
   --color-btn-background: #3050ff;
   --color-btn-font: #fff;
@@ -54,7 +53,6 @@
   --color-answer-font: #444;  // same as --color-base-font
   --color-answer-background: #f7f7f7; // same as --color-header-background:
   /// Results Colors
-  --color-result-shadow: #ccc;
   --color-result-border: #ddd;
   --color-result-url-font: #000;
   --color-result-vim-selected: #f7f7f7;
@@ -94,14 +92,12 @@
   --color-toolkit-select-border: #ddd;
   --color-toolkit-select-border-hover: #bbb;
   --color-toolkit-checkbox-onoff-background: #ddd;
-  --color-toolkit-checkbox-onoff-label-shadow: rgba(0, 0, 0, 0.3);
   --color-toolkit-checkbox-onoff-label-background: #3050ff;
   --color-toolkit-checkbox-onoff-checked-background: #ddd;
   --color-toolkit-checkbox-label-background: #fff;
   --color-toolkit-checkbox-label-border: #ddd;
   --color-toolkit-checkbox-input-border: #3050ff;
   --color-toolkit-engine-tooltip-border: #ddd;
-  --color-toolkit-engine-tooltip-shadow: #ccc;
   --color-toolkit-engine-tooltip-background: #fff;
   --color-toolkit-loader-border: rgba(0, 0, 0, 0.2);
   --color-toolkit-loader-borderleft: rgba(255, 255, 255, 0);
@@ -129,7 +125,6 @@
     --color-backtotop-font: #bbb;
     --color-backtotop-border: #333;
     --color-backtotop-background: #181818;
-    --color-backtotop-shadow: #333;
     /// Button Colors
     --color-btn-background: #58f;
     --color-btn-font: #222;
@@ -158,7 +153,6 @@
     --color-answer-font: #bbb; // same as --color-base-font
     --color-answer-background: #181818; // same as --color-header-background:
     /// Results Colors
-    --color-result-shadow: #333;
     --color-result-border: #333;
     --color-result-url-font: #fff;
     --color-result-vim-selected: #181818;
@@ -198,14 +192,12 @@
     --color-toolkit-select-border: #555;
     --color-toolkit-select-border-hover: #777;
     --color-toolkit-checkbox-onoff-background: #3c3b31;
-    --color-toolkit-checkbox-onoff-label-shadow: rgba(0, 0, 0, 0.3);
     --color-toolkit-checkbox-onoff-label-background: #58f;
     --color-toolkit-checkbox-onoff-checked-background: #ddd;
     --color-toolkit-checkbox-label-background: #fff;
     --color-toolkit-checkbox-label-border: #333;
     --color-toolkit-checkbox-input-border: #58f;
     --color-toolkit-engine-tooltip-border: #333;
-    --color-toolkit-engine-tooltip-shadow: #333;
     --color-toolkit-engine-tooltip-background: #222;
     --color-toolkit-loader-border: rgba(255, 255, 255, 0.2);
     --color-toolkit-loader-borderleft: rgba(0, 0, 0, 0);
diff --git a/searx/static/themes/simple/src/less/search.less b/searx/static/themes/simple/src/less/search.less
index 90a6a299e..960e8bc9c 100644
--- a/searx/static/themes/simple/src/less/search.less
+++ b/searx/static/themes/simple/src/less/search.less
@@ -38,12 +38,6 @@
   display: inline-flex;
   flex-direction: row;
   white-space: nowrap;
-
-  /*
-  &:has(q:focus) {
-  box-shadow: 0px 0px 5px #CCC;
-}
-*/
 }
 
 #clear_search {
@@ -252,10 +246,6 @@
     .disable-user-select;
   }
 
-  input[type="checkbox"]:focus + label {
-    box-shadow: 0 0 8px var(--color-categories-item-border-selected);
-  }
-
   input[type="checkbox"]:checked + label {
     color: var(--color-categories-item-selected-font);
     border-bottom: 2px solid var(--color-categories-item-border-selected);
diff --git a/searx/static/themes/simple/src/less/style.less b/searx/static/themes/simple/src/less/style.less
index 8fc760aaa..523c8f116 100644
--- a/searx/static/themes/simple/src/less/style.less
+++ b/searx/static/themes/simple/src/less/style.less
@@ -164,8 +164,6 @@ article.result-images[data-vim-selected] {
       &:hover {
         text-decoration: underline;
         border: none;
-        -webkit-box-shadow: none;
-        box-shadow: none;
         outline: none;
       }
     }
@@ -549,7 +547,6 @@ article.result-images[data-vim-selected] {
   margin: 0;
   padding: 0;
   font-size: 1em;
-  box-shadow: 0 0 5px var(--color-backtotop-shadow);
   background: var(--color-backtotop-background);
   position: fixed;
   bottom: 8rem;
@@ -730,14 +727,9 @@ article.result-images[data-vim-selected] {
     margin: 0 5px 2px 5px;
   }
 
-  .infobox {
-    box-shadow: 0 0 5px var(--color-result-shadow);
-  }
-
   #corrections,
   #answers {
     margin: 1rem @results-tablet-offset;
-    box-shadow: 0 0 5px var(--color-result-shadow);
   }
 
   #results {
@@ -752,7 +744,6 @@ article.result-images[data-vim-selected] {
   .result {
     margin: 1rem @results-tablet-offset;
     border: 1px solid var(--color-result-border);
-    box-shadow: 0 0 5px var(--color-result-shadow);
     .rounded-corners;
   }
 
@@ -765,7 +756,6 @@ article.result-images[data-vim-selected] {
     margin: 0;
     padding: 0;
     border: none;
-    box-shadow: none;
   }
 }
 
diff --git a/searx/static/themes/simple/src/less/toolkit.less b/searx/static/themes/simple/src/less/toolkit.less
index fef59b5a6..a113a6d41 100644
--- a/searx/static/themes/simple/src/less/toolkit.less
+++ b/searx/static/themes/simple/src/less/toolkit.less
@@ -200,7 +200,6 @@ div.selectable_url {
   transform: translate(-50%, -50%);
   z-index: 100000;
   margin: 0 50% 0 0;
-  box-shadow: 0 0 1em;
 }
 
 // btn-collapse
@@ -370,7 +369,6 @@ select {
       top: -5px;
       cursor: pointer;
       border-radius: 50px;
-      box-shadow: 0 3px 5px 0 var(--color-toolkit-checkbox-onoff-label-shadow);
       transition: all 0.4s ease;
       left: 27px;
       background-color: var(--color-toolkit-checkbox-onoff-label-background);
@@ -432,7 +430,6 @@ select {
     // disabled : can''t be focused, show only the check mark
     input[disabled] + label {
       background-color: transparent !important;
-      box-shadow: none !important;
       cursor: inherit;
     }
 
@@ -504,7 +501,6 @@ select {
   padding: 0.5rem 1rem;
   margin: 0 0 0 2rem;
   border: 1px solid var(--color-toolkit-engine-tooltip-border);
-  box-shadow: 0 0 5px var(--color-toolkit-engine-tooltip-shadow);
   background: var(--color-toolkit-engine-tooltip-background);
   font-size: 14px;
   font-weight: normal;