<html>
<head>
<title>上下两栏布局（上部固定，下栏自适应）</title>
<meta charset="utf-8">
<style>
* {
padding: 0;
margin: 0;
}
html,body{
height: 100%;
}
</style>
</head>
<body>
<section class="layout">
<style>
.layout{
height: 100%;
}
.layout .left-content .top{
width: 100%;
height: 60px;
background-color: aqua;
}
.layout .left-content .content{
position: absolute;
top: 60px;
bottom: 0px;
width: 100%;
overflow: auto;
background-color: red;
}
</style>
<article class="left-content">
<div class="top"></div>
<div class="content">
<h1>中间自适应</h1>
</div>
</article>
</section>
</body>
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