@charset "UTF-8";.sanjiao{width:0;height:0;border:0 solid transparent;border-right:44px solid transparent;border-left:0px solid transparent;border-top:44px solid red;position:absolute;left:0;top:0;z-index:5}.sanjiao:before{content:"推荐";width:30px;display:block;position:absolute;top:-38px;left:-1px;text-align:center;transform:rotate(315deg);font-size:10px;font-weight:700}