AdminLTE/build/scss/plugins/_select2.scss

//
// Plugin: Select2
//

//Signle select
.select2-container--default,
.select2-selection {
  &.select2-container--focus,
  &:focus,
  &:active {
    outline: none;
  }
  .select2-selection--single {
    border: 1px solid $gray-x-light;
    //border-radius: $input-radius;
    padding: 6px 12px;
    height: $input-height;
  }
}

.select2-container--default {
  &.select2-container--open {
    border-color: theme-color("primary");
  }

  & .select2-dropdown {
    border: 1px solid $gray-x-light;
    //border-radius: $input-radius;
  }

  & .select2-results__option--highlighted[aria-selected] {
    background-color: theme-color("primary");
    color: white;
  }

  & .select2-results__option {
    padding: 6px 12px;
    user-select: none;
    -webkit-user-select: none;
  }

  & .select2-selection--single .select2-selection__rendered {
    padding-left: 0;
    padding-right: 0;
    height: auto;
    margin-top: -3px;
  }

  &[dir="rtl"] .select2-selection--single .select2-selection__rendered {
    padding-right: 6px;
    padding-left: 20px;
  }

  & .select2-selection--single .select2-selection__arrow {
    height: 31px;
    right: 6px;
  }

  & .select2-selection--single .select2-selection__arrow b {
    margin-top: 0;
  }

  .select2-dropdown,
  .select2-search--inline {
    .select2-search__field {
      border: 1px solid $gray-x-light;
      &:focus {
        outline: none;
        border: 1px solid theme-color("primary");
      }
    }
  }

  & .select2-results__option[aria-disabled=true] {
    color: #999;
  }

  & .select2-results__option[aria-selected=true] {
    background-color: #ddd;
    &,
    &:hover {
      color: #444;
    }
  }

  //Multiple select
  & {
    .select2-selection--multiple {
      min-height: $input-height;
      border: 1px solid $gray-x-light;
      //border-radius: $input-radius;
      &:focus {
        border-color: theme-color("primary");
      }

      .select2-selection__rendered li:first-child.select2-search.select2-search--inline {
        width: 100%;

        .select2-search__field {
          width: 100% !important;
        }
      }
    }
    &.select2-container--focus .select2-selection--multiple {
      border-color: $gray-x-light;
    }
  }

  & .select2-selection--multiple .select2-selection__choice {
    background-color: theme-color("primary");
    border-color: darken(theme-color("primary"), 5%);
    padding: 0 10px;
    color: $white;
  }

  & .select2-selection--multiple .select2-selection__choice__remove {
    margin-right: 5px;
    color: rgba(255, 255, 255, 0.7);
    &:hover {
      color: $white;
    }
  }

  & .select2-selection--single .select2-selection__rendered li {
    padding-right: 10px;
  }

}