原文地址：https://blog.csdn.net/qq_41191857/article/details/109985544
image.png
div标签
<div class="taps">
<div class="detail on">大米明细</div>
<div class="record">兑换记录</div>
</div>
样式：
.taps div{
width:150px;
line-height: 78px;
height:78px;
text-align: center;
font-size:30px;
position: relative;
}
.taps div.on{
color:#F13C1B;
font-weight: bold;
}
.taps div.on:after {
content: '';
position: absolute;
bottom: -2px;
top: auto;
left: 40px;
height: 4px;
width: 60px;
background-color: #F13C1B;
}
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