Bootstrap自适应各种设备
<!DOCTYPE html>
<html>
<head>
<title>Bootstrap 实例 - 手机、平板电脑、台式电脑</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link href="http://libs.baidu.com/bootstrap/3.0.3/css/bootstrap.min.css" rel="stylesheet">
<script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
<script src="http://libs.baidu.com/bootstrap/3.0.3/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<div class="row">
<div class="col-xs-6 col-sm-3 col-md-6 col-lg-9"
style="background-color: #dedef8;
box-shadow: inset 1px -1px 1px #444,
inset -1px 1px 1px #444;">
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do
eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut
enim ad minim veniam, quis nostrud exercitation ullamco laboris
nisi ut aliquip ex ea commodo consequat.
</p>
<p>Sed ut perspiciatis unde omnis iste natus error sit voluptatem
accusantium doloremque laudantium, totam rem aperiam, eaque ipsa
quae ab illo inventore veritatis et quasi architecto beatae vitae
dicta sunt explicabo.
</p>
</div>
<div class=" col-xs-6 col-sm-9 col-md-6 col-lg-3"
style="background-color: #dedef8;
box-shadow: inset 1px -1px 1px #444,
inset -1px 1px 1px #444;">
<p>Sed ut perspiciatis unde omnis iste natus error sit voluptatem
accusantium doloremque laudantium.
</p>
<p> Neque porro quisquam est, qui dolorem ipsum quia dolor sit amet,
consectetur, adipisci velit, sed quia non numquam eius modi
tempora incidunt ut labore et dolore magnam aliquam quaerat
voluptatem.
</p>
