2.1圣杯布局 - 爱码网

<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<!--
			1.两边固定，当中自适应
			2.当中列要完整显示
			3.当中列要优先加载
        -->
		<style type="text/css">
			#middle{
				float: left;
				/*padding: 0 200px;*/
				width: 100%;
				height: 300px;
				background: red;
			}
			#left{
				position: relative;
				left: -200px;
				margin-left: -100%;
				float: left;
				width: 200px;
				height: 300px;
				background: yellow;
			}
			#right{
				position: relative;
				right: -200px;
				float: left;
				margin-left: -200px;
				width:200px;
				height: 300px;
				background: yellow;
			}
			#content{
				padding: 0 200px;
			}
		</style>
	</head>
	<body>
		<div id="content">
			<div id="middle">丁香一样的芬芳</div>
			<div id="left">丁香一样的颜色</div>
			<div id="right">丁香一样的忧愁</div>
		</div>
	</body>
</html>
2.1圣杯布局