@selectize/selectize/dist/lib/bootstrap3/mixins/labels.less

Selectize is a jQuery-based custom <select> UI control. Useful for tagging, contact lists, country selectors, etc.

// Labels

.label-variant(@color) {
  background-color: @color;

  &[href] {
    &:hover,
    &:focus {
      background-color: darken(@color, 10%);
    }
  }
}