_mixins.less

// Prefix Declarations
.prefixed(@property, @value) {
  & when (@webkit = true) {
    -webkit-@{property}: @value;
  }
  & when (@moz = true) {
    -moz-@{property}: @value;
  }
  & when (@ms = true) {
    -ms-@{property}: @value;
  }
  & when (@o = true) {
    -o-@{property}: @value;
  }
  @{property}: @value;
}

// Prefix Keyframes
.keyframes(@name; @content) {
  & when (@webkit = true) {
    @-webkit-keyframes @name {
      @content();
    }
  }
  & when (@moz = true) {
    @-moz-keyframes @name {
      @content();
    }
  }
  & when (@ms = true) {
    @-ms-keyframes @name {
      @content();
    }
  }
  & when (@o = true) {
    @-o-keyframes @name {
      @content();
    }
  }
  @keyframes @name {
    @content();
  }
}