<!DOCTYPE html>
<html lang="zh-cn">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1,maximum-scale=1, user-scalable=no">
<title></title>
<link href="css/bootstrap.min.css" rel="stylesheet">
<style>
.a{ height: 50px; width: 200px; border: 1px solid #ccc; background-color: #eee; }
</style>
</head>
<body style="margin: 50px;">
<!-- <p class="text-muted">阅谁问君诵，水落清香浮</p>
<p class="text-success">阅谁问君诵，水落清香浮</p>
<p class="text-danger">阅谁问君诵，水落清香浮</p>
<p class="bg-info">阅谁问君诵，水落清香浮</p>
<p class="bg-success">阅谁问君诵，水落清香浮</p>
<p class="bg-danger">阅谁问君诵，水落清香浮</p>
<button class="close">×</button>
<span class="caret"></span>
-->
<!-- <div class="pull-left a">左边</div>
<div class="pull-right a">右边</div>
<div class="center-block a">居中</div> -->
<!-- <div class="pull-left a">左边</div>
<div class="clearfix"></div>
<div class="a">右边</div> -->
<!-- <div class="show">显示</div>
<div class="hidden">隐藏</div> -->
<div class="visible-xs-inline a">超小屏激活显示</div>
<div class="hidden-xs a">超小屏激活隐藏</div>
<script src="js/jquery.min.js"></script>
<script src="js/bootstrap.min.js"></script>
</body>
</html>
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效果图：
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原文：http://onestopweb.iteye.com/blog/2266720