Css - 三栏布局 - BFC
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>三栏布局-BFC规则</title>
<style>
*,body{
margin: 0;
padding: 0;
}
.left{
height: 500px;
width: 200px;
float: left;
background-color: red;
}
.right{
height: 500px;
width: 200px;
float: right;
background-color: green;
}
.main{
overflow: hidden;
height: 500px;
background-color: blue;
}
</style>
</head>
<body>
<div class="container">
<div class="left"></div>
<div class="right"></div>
<div class="main"></div>
</div>
</body>
</html>
本文标题：Css - 三栏布局 - BFC
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