v-tree-select/src/assets/mixins/iconfont.less

A Vue.js project

.iconfont-mixin() {
  display: inline-block;
  font-style: normal;
  vertical-align: baseline;
  text-align: center;
  text-transform: none;
  line-height: 1;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  &:before {
    display: block;
    font-family:"iconfont" !important;
    
  }
}

.iconfont-font(@content) {
  font-family:"iconfont" !important;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  content: @content;
}

// for iconfont font size
// fix chrome 12px bug, support ie
.iconfont-size-under-12px(@size, @rotate: 0deg) {
  display: inline-block;
  @font-scale: unit(@size / 12px);
  font-size: @font-size-base;
  // ie8-9
  font-size: ~"@{size} \9"; // lesshint duplicateProperty: false
  transform: scale(@font-scale) rotate(@rotate);
  .ie-rotate-via-degrees(@rotate);
  :root & {
    font-size: @font-size-base; // reset ie9 and above
  }
}