<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
*{
margin:0;padding:0;
}
.container{
display: flex;
height: 100vh;
flex-direction: column;
}
header{
background: #000;
}
section{
flex:1;
background: pink;
display: flex;
}
footer{
background: #000;
}
.left{
background: red;
flex:0 0 100px;
}
.center{
flex:1;
background: blue;
}
.right{
flex:0 0 100px;
background: 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>
