<title>Bootstrap 实例 - 按钮组的大小</title>
<link rel="stylesheet" href="/css/bootstrap/bootstrap3.3.7.min.css">
<script src="/js/bootstrap/jquery.min.js"></script>
<script src="/js/bootstrap/bootstrap3.3.7.min.js"></script>
<div class="btn-group btn-group-lg">
<button type="button" class="btn btn-default">Button 1</button>
<button type="button" class="btn btn-default">Button 2</button>
<button type="button" class="btn btn-default">Button 3</button>
<div class="btn-group btn-group-sm">
<button type="button" class="btn btn-default">Button 4</button>
<button type="button" class="btn btn-default">Button 5</button>
<button type="button" class="btn btn-default">Button 6</button>
<div class="btn-group btn-group-xs">
<button type="button" class="btn btn-default">Button 7</button>
<button type="button" class="btn btn-default">Button 8</button>