<!DOCTYPE html>

<html>

<head>

<meta charset="utf-8">

<meta name="viewport" content="width=device-width,initial-scale=1">

<title>bootstrap5</title>

<link rel="stylesheet" href="http://cdn.static.runoob.com/libs/bootstrap/3.3.7/css/bootstrap.min.css">

</head>

<body>

<div class="container">

<h3>图标</h3>

<p>插入图标</p>

<p>信件图标: <span class="glyphicon glyphicon-envelope"></span></p>

<p>搜索图标: <span class="glyphicon glyphicon-search"></span></p>

<p>打印图标: <span class="glyphicon glyphicon-print"></span></p>

<p>云图标:<span class="glyphicon glyphicon-cloud"></span></p>

<p>下载图标: <span class="glyphicon glyphicon-download"></span></p>

</div>

<script src="http://cdn.static.runoob.com/libs/jquery/2.1.1/jquery.min.js"></script>

<script src="http://cdn.static.runoob.com/libs/bootstrap/3.3.7/js/bootstrap.min.js"></script>

</body>

</html>