CSS 经典三列布局

一圣杯布局

1 html结构

<!DOCTYPE html>

<html>

<head>

	<title></title>

	<link rel="stylesheet" type="text/css" href="css/css.css">

</head>

<body>

	<div class="header">头部</div>

	<div class="container">

		<div class="middle">中间</div>

		<div class="left">左侧</div>

		<div class="right">右侧</div>

	</div>

	<div class="footer">底部</div>

</body>

</html>

2 css

*{padding: 0;margin: 0;list-style: none;}

body{min-height: 700px;}

.header,.footer{background: #ff9999;text-align: center;height: 50px;line-height: 50px;}

.left,.middle,.right{

	position: relative;

	float: left;

	min-height: 530px;

	line-height: 530px;

	text-align: center;

}

.container{

	padding: 0 220px 0 200px;

	overflow: hidden;

}

.left{

	margin-left: -100%;left: -200px;

	width: 200px;

	background-color: #99ffff;

}

.right{

	margin-left: -220px;

	right: -220px;

	width: 220px;

	background: #ccff99;

}

.middle{

	width: 100%;

	background: #ccffff;

	word-break: break-all;

}

.footer{

	clear: both;

}

二双飞翼布局

1 html结构

<!DOCTYPE html>

<html>

<head>

	<title></title>

	<link rel="stylesheet" type="text/css" href="css/sb.css">

</head>

<body>

	<div class="header">header</div>

	<div class="middle">

		<div class="middle-inner">middle</div>

	</div>

	<div class="left">left</div>

	<div class="right">right</div>

	<div class="footer">footer</div>

</body>

</html>

2 css

*{padding: 0px;margin: 0px;}

.header,.footer{

	height: 50px;

	line-height: 50px;

	background: #cf9999;

    border: 1px solid #333;

    text-align: center;

}

.left,.middle,.right{

	float: left;

	min-height: 500px;

	line-height: 500px;

	text-align: center;

}

.left{

	margin-left: -100%;

	width: 200px;

	background: #9999ff;

}

.right{

	margin-left: -220px;

	width: 220px;

	background: #ccffff;

}

.middle{

	width: 100%;

}

.middle-inner{

	margin-left: 200px;

	margin-right: 220px;

	min-height: 500px;

	background-color: #ccff99;

	word-break: break-all;

}

.footer{clear: both;}

三以上两种经典布局以双飞翼为最佳，在此基础上进行各种变种，主要体现了浮动和margin负值的巧妙使用

巴特西

CSS 经典三列布局

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