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圣杯和双飞翼布局

2015-12-26 18:17 344 查看
//圣杯布局-wrap设置padding/left right加相对定位

<!DOCTYPE html>
<html lang="zh-CN">
<html>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"/>
<title></title>
<style>
*{margin:0; padding:0;}
.wrap{padding:0 200px; overflow: hidden}
.main{width:100%; background:#57ccb1; float:left; height:100px;}
.left{ float:left;margin-left:-100%;  width:200px; height:100px; background:#ff3f27; position:relative; left:-200px;}
.right{ float:left;margin-left:-200px;  width:200px; height:100px; background:#fbb800; position:relative;right:-200px;}
</style>
</head>
<body>

<div class="wrap">
<div class="main">main</div>
<div class="left">left</div>
<div class="right">right</div>
</div>

</body>
</html>


//双飞翼布局-在main中嵌套一层设置margin

<!DOCTYPE html>
<html lang="zh-CN">
<html>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"/>
<title></title>
<style>
*{margin:0; padding:0;}
.main{width:100%; background:#57ccb1; float:left; height:100px;}
.left{ float:left;margin-left:-100%;opacity:0.4;  width:200px; height:100px; background:#ff3f27; }
.right{ float:left;margin-left:-200px;opacity:0.4;  width:200px; height:100px; background:#fbb800; }
.main_con{margin-left:200px; margin-right:200px;}
</style>
</head>
<body>

<div class="wrap">
<div class="main">
<div class="main_con">main</div>
</div>
<div class="left">left</div>
<div class="right">right</div>
</div>

</body>
</html>
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