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三列样式
专业交作业
Original
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实例

<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>三列布局1</title>
	<style type="text/css">
		.header {
			width: 100%;
			height: 60px;
			background-color: #e3e3e3;
		}
		.header .contain{
			width: 1000px;
			margin: auto;
			text-align: center;
			background-color: #527;
			line-height: 60px;
		}
		.container{
			width: 1000px;
			height: 650px;
			background-color: #844;
			margin: auto;
			position: relative;
		}
		.left{
			width: 200px;
			height:100%;
			background-color:#544;
			position: absolute;
			top:0;
			left:0;
		}
		.middle{
			width: 600px;
			height: 100%;
			background-color:#258;
			/*position: absolute;
			top:0;
			left:200px;*/
			margin:0 200px;
		}
		.right{
			width: 200px;
			height:100%;
			background-color:#644;
			position: absolute;
			top:0;
			right: 0;
		}
        .footer {
			width: 100%;
			height: 60px;
			background-color: #e3e3e3;
		}
		.footer .contain{
			width: 1000px;
			margin: auto;
			text-align: center;
			background-color: #527;
			line-height: 60px;
		}

	</style>
</head>
<body>
	<!-- 头部 -->
	<div class="header">
		<div class="contain">头部</div>
	</div>
	<!-- 中间三列 -->
	<div class="container">
	     <div class="left">左侧</div>
	     <div class="middle">中间</div>
	     <div class="right">右侧</div>	
	</div>
	<!-- 底部 -->
	<div class="footer">
		<div class="contain">底部</div>
		
	</div>
	

	
</body>
</html>

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实例

<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>三列布局2</title>
	<style type="text/css">
		.header {
			width: 100%;
			height: 60px;
			background-color: #e3e3e3;
		}
		.header .contain{
			width: 1000px;
			margin: auto;
			text-align: center;
			background-color: #527;
			line-height: 60px;
		}
		.container{
			width: 1000px;
			height: 650px;
			background-color: #844;
			margin: auto;
			overflow: hidden;
		}
		.main{
			width: 100%;
			float:left;
			height: 650px;
			background-color:#233;
		}
		.left{
			width: 200px;
			height:100%;
			background-color:#544;
			float:left;
			margin-left:-100%;
		}
		.right{
			width: 200px;
			height:100%;
			background-color:#544;
			float:left;
			margin-left:-200px;

		}
		.middle{
			width: 100%;
			margin:0 200px;
			height: 100%;
			background-color: #499;
			margin:0 200px;
		}
        .footer {
			width: 100%;
			height: 60px;
			background-color: #e3e3e3;
		}
		.footer .contain{
			width: 1000px;
			margin: auto;
			text-align: center;
			background-color: #527;
			line-height: 60px;
		}

	</style>
</head>
<body>
	<!-- 头部 -->
	<div class="header">
		<div class="contain">头部</div>
	</div>
	<!-- 中间三列 -->
	<div class="container">
		<div class="main">
			<div class="middle">中间</div>
		</div>
	     <div class="left">左侧</div>  
	     <div class="right">右侧</div>	
	</div>
	<!-- 底部 -->
	<div class="footer">
		<div class="contain">底部</div>
		
	</div>
	

	
</body>
</html>

运行实例 »

点击 "运行实例" 按钮查看在线实例

实例

<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>三列布局1</title>
	<style type="text/css">
		.header {
			width: 100%;
			height: 60px;
			background-color: #e3e3e3;
		}
		.header .contain{
			width: 1000px;
			margin: auto;
			text-align: center;
			background-color: #527;
			line-height: 60px;
		}
		.container{
			width: 600px;
			background-color: red;
			margin: auto;
			overflow: hidden;
			padding: 0 200px;
		}
		.container .middle{
			width: 600px;
			height: 650px;
			background-color:#258;
			float: left;
		}
		.container .left{
			width: 200px;
            height: 650px;
            background-color:#588;
            float: left;
            margin-left: -100%;
            position: relative;
            left:-200px;
			
		}
		.container .right{
			width: 200px;
            height: 650px;
            background-color:blue;
            float: left;
            margin-left:-200px;
            position: relative;
            right:-200px;
			
		}
        .footer {
			width: 100%;
			height: 60px;
			background-color: #e3e3e3;
			clear: both;
		}
		.footer .contain{
			width: 1000px;
			margin: auto;
			text-align: center;
			background-color: #527;
			line-height: 60px;
		}

	</style>
</head>
<body>
	<!-- 头部 -->
	<div class="header">
		<div class="contain">头部</div>
	</div>
	<!-- 中间三列 -->
	<div class="container">
	     <div class="middle">中间</div>
	     <div class="left">左侧</div>
	     <div class="right">右侧</div>	
	</div>
	<!-- 底部 -->
	<div class="footer">
		<div class="contain">底部</div>
		
	</div>
	

	
</body>
</html>

运行实例 »

点击 "运行实例" 按钮查看在线实例


Correction status:qualified

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