<!DOCTYPE html>
<html>
<head>
<title>Bootstrap实例</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://apps.bdimg.com/libs/bootstrap/3.3.0/css/bootstrap.min.css">
<script src="https://libs.baidu.com/jquery/2.1.4/jquery.min.js"></script>
<script src="https://apps.bdimg.com/libs/bootstrap/3.3.0/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<h2>Labels</h2>
<h1>Example <span class="label label-default">New</span></h1>
<h2>Example <span class="label label-default">New</span></h2>
<h3>Example <span class="label label-default">New</span></h3>
<h4>Example <span class="label label-default">New</span></h4>
<h5>Example <span class="label label-default">New</span></h5>
<h6>Example <span class="label label-default">New</span></h6>
</div>
</body>
</html>