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CSS 左右固定,中间自适应宽度 及 左右自适应宽度,中间固定

2015-05-05 23:35 246 查看
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>左右固定,中间自适应</title>
<style>
html ,
body ,
div{
margin:0;
padding:0;
}
.left ,
.right {
float: left;
width:300px;
height:300px;
background:orange;
}
.right{
float: right;
}
.center{
height:300px;
background:red;
}
</style>
</head>
<body>

<div class="left">左边</div>
<div class="right">右边</div>
<div class="center">中间</div>
</body>
</html>


  

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>左右自适应,中间固定</title>
<style>
html ,
body ,
div{
margin:0;
padding:0;
}
.left,
.right {
float: left;
margin: 0 0 0 -300px;
width: 50%;
}

.main {
width: 600px;
float: left;
background: green;
}

.inner {
padding: 20px;
}

.left .inner,
.right .inner {
margin: 0 0 0 300px;
background: orange;
}
.left,
.right {
float: left;
margin: 0 0 0 -300px;
width: 50%;
*width: 49.9%;
}
</style>
</head>
<body>

<div class="left">
<div class="inner">左边</div>
</div>
<div class="main">
<div class="inner">中间</div>
</div>
<div class="right">
<div class="inner">右边</div>
</div>

</body>
</html>


  
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