纯css实现宽高动态相等
作者:
轩辕夜空 | 来源:发表于
2021-10-10 20:31 被阅读0次<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style>
*{
margin: 0;
padding: 0;
}
.box{
width: 70%;
position:relative;
}
.box:before{
content: '';
padding-top: 100%;
box-sizing: border-box;
display: block;
width: 0;
}
.pox{
position:absolute;
height:100%;
width:100%;
left: 0;
top: 0;
border: 1px solid red;
box-sizing: border-box;
}
</style>
</head>
<body>
<div class="box">
<div class="pox">内容</div>
</div>
</body>
</html>
转自https://www.wanjunshijie.com/note/vue/190.html
本文标题：纯css实现宽高动态相等
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