.btn-secondary {
  color: #fff;
  background-color: #5a1e63 !important;
  width: 100%;
  max-width: 330px;
  padding: 15px;
  margin: auto;
}

.input-group mb-3 {
  width: 100%;
  max-width: 330px;
  padding: 15px;
  margin: auto;
}