_multiple.scss

.select2-container--bootstrap4 {
  .select2-selection--multiple {

    // height of input box
    min-height: $input-height !important; // stylelint-disable-line declaration-no-important

    // input box
    .select2-selection__rendered {
      box-sizing: border-box;
      width: 100%;
      padding: 0 $input-padding-x / 2;
      margin: 0;
      list-style: none;
    }

    // each selected item in input box
    .select2-selection__choice {
      float: left;
      padding: 0;
      padding-right: $input-padding-x;
      margin-top: calc(#{$input-padding-y} - 2px);
      margin-right: $input-padding-x / 2;
      color: $input-color;
      cursor: pointer;
      border: 1px solid darken($light, 20%);
      @include border-radius($input-border-radius-sm);
    }

    // search field
    .select2-search__field {
      color: $input-color;
    }

    // fixes placeholder width
    .select2-selection__choice + .select2-search {
      width: 0;
    }

    // x button of each selected item in input box
    .select2-selection__choice__remove {
      float: left;
      padding-right: 3px;
      padding-left: 3px;
      margin-right: 1px;
      margin-left: 3px;
      font-weight: 700;
      color: darken($light, 20%);
      &:hover {
        color: $dark;
      }
    }

    // all clear button
    .select2-selection__clear {
      position: absolute !important; // stylelint-disable-line declaration-no-important
      top: 0;
      right: .7em;
      // overwrite layout.scss
      float: none;
      margin-right: 0;
    }
  }

  // hide x button of each selected item in disabled input box
  &.select2-container--disabled {
    .select2-selection--multiple {
      .select2-selection__choice {
        padding: 0 5px;
        cursor: not-allowed;
        // stylelint-disable selector-max-class
        .select2-selection__choice__remove {
          display: none;
        }
        // stylelint-enable selector-max-class
      }
    }
  }
}