.sanjiao{border-right:10px solid #ddd;height:10px;left:-10px;top:6px;width:10px;z-index:999}.sanjiao,.sanjiao:after{border-bottom:8px solid transparent;border-top:8px solid transparent;position:absolute}.sanjiao:after{border-right:10px solid #fff;content:"";left:2px;top:-8px;z-index:99}.dateicon:before{background-color:#fff;border:1px solid #ddd;border-radius:50%;height:10px;left:-27px;top:10px;width:10px;z-index:9}.dateicon:before,.dateli:before{content:"";display:block;position:absolute}.dateli:before{background-color:#e5e7eb;height:100%;left:5px;top:18px;width:1px;z-index:1}