phone/css/font-awesome-4.7.0/src/assets/less/bootstrap-3.3.5/mixins/labels.less
a3a19fc6
 // Labels
 
 .label-variant(@color) {
   background-color: @color;
 
   &[href] {
     &:hover,
     &:focus {
       background-color: darken(@color, 10%);
     }
   }
 }