本章将讲解bootstrap标签，标签可用于计数，提示和页面上其它的标记显示。使用class.laber来显示标签，如下面的实例所示
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title>Bootstrap历练实例：标签(label)</title>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1.0" />
<link rel="stylesheet" href="bootstrap-3.3.5-dist/css/bootstrap.min.css" />
</head>
<body>
<div style="padding:100px;">
<h1>This Is Heading:<span class="label label-default">Label</span></h1>
<h2>This Is Heading:<span class="label label-default">Label</span> </h2>
<h3>This Is Heading:<span class="label label-default">Label</span></h3>
</div>
<script src="jQuery/jquery-2.1.4.js"></script>
<script src="bootstrap-3.3.5-dist/js/bootstrap.min.js"></script>
</body>
</html>