<div class="content-trigon-zhijiao" style="border-width: 0.4rem;">
<span class="xian-zi-active">活动<i></i></span>
</div>
.content-trigon-zhijiao{
width: 0px !important;
height: 0px!important;
border-color: rgba(255,0,0,0.5) transparent transparent rgba(255,0,0,0.5);
border-width: 0.3rem;
border-style: solid;
position: absolute;
top: -0.05rem;
left: -0.09rem;
}
.xian-zi{
font-size: 0.2rem !important;
position: absolute;
bottom: 0;
right: 0;
color: #fff !important;
transform: rotate(-30deg);
}
