html部分：
<div class="youhuiBox">
<label for="youhui1">
<input type="radio" name="youhui" id="youhui1">
<span></span><p>8元8G校园流量包（流量优惠二选一）</p>
</label>
</div>
<div class="youhuiBox">
<label for="youhui2">
<input type="radio" name="youhui" id="youhui2">
<span></span><p>20元20G校园流量包（流量优惠二选一）</p>
</label>
</div>
css部分：
.youhuiBox>label{
display: flex;
}
.youhuiBox>label>span{
display: inline-block;
height: 0.38rem;
width: 0.38rem;
border: 0.01rem solid #2ba5b9;
border-radius: 0.1rem;
background: none;
margin-right: 0.2rem;
}
.youhuiBox>label>input[type="radio"]{
}
.youhuiBox>label>input[type="radio"]:checked+span{
background:url('../images/gou.png') center center/contain;
}
二手闲置小程序 免费信息发布系统功能源码（小程序+php后台管理）