<!DOCTYPE html>
<html lang="zh">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>弹性盒-圣杯布局</title>
<style>
/* 顶部和底部可固定，中间部分随上下高剩余高度而变，中间两边栏固定 */
*{
margin: 0;
padding: 0;
}
.container{
display: flex;
height: 100vh;
flex-direction: column; /*纵向排列*/
}
header{
background-color: #0086B3;
}
section{
flex: 1; /*占一行*/
display: flex;
background-color: pink;
}
footer{
background-color: #0086B3;
}
.left{
background-color: red;
flex: 0 0 100px; /*给出左宽*/
}
.center{
flex: 1; /*独占1行*/
background-color: pink;
}
.right{
flex: 0 0 100px; /*给出右宽*/
background-color: red;
}
</style>
</head>
<body>
<div class="container">
<header>头部</header>
<section>
<div class="left">左</div>
<div class="center">中</div>
<div class="right">右</div>
</section>
<footer>底部</footer>
</div>
</body>
</html>
