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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "htt
p://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
<title>Document</title>
<meta name="viewport" content="width=device-width,initial-scale=1"/>
<!--[if lt ie 9]>
<script src="http://css3-mediaqueries-js.googlecode.com/svn/trunk/css3-mediaqueries.js"></script>
<![endif]-->
<link rel="stylesheet" type=‘text/css‘ media="screen and (max-device-width:400px)" href="tinyscreen.css" />
<link rel="stylesheet" media="screen and(min-width:400px)and(max-device-width:600px;)" href="small.css" />
@import url("tinyscreen.css") screen and (max-device-width:400px);
<style>
@media screen and(max-device-width:400px){
.column{
float: none;
width: auto;
}
.sidebar{
display: none;
}
}
body{
font: normal 100% arial sans-serif helvetica;//字体大小默认是16PX
}
h1{
font-size: 1.5em;1.5*16=24px
}
.de{
width: 100%;
width: auto;
}
.fl{
float:left;
width: 70%;//避免了溢出，水平滚动条的出现
}
.fr{
float: right;
width: 25%;
}
img,object{
max-width: 100%;
}
img{
width: 100px;//老版本不支持 max-width
-ms-interpolation-mode:bicubic;//windows平台缩放图片时，可能出现图片失真
}
</style>
</head>
<body>
<!--
-->
</body>
</html>
<!--
自适应界面的制作
1，在头部加入viewport,只默认的宽度，和高度//ie9向上会支持这个属性，ie6,ie7,ie8导入css3-mediaqueris.js
-->
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原文地址：http://www.cnblogs.com/yayaxuping/p/4401769.html
