.first-title{position:relative;padding-left:14px;font-size:16px;line-height:50px;height:50px;border-bottom:none;i{margin-right:8px}}.first-title:before{content:"";height:15px;width:4px;background-color:#ff7f21;position:absolute;left:0;top:50%;-webkit-transform:translateY(-50%);transform:translateY(-50%)}