<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Fmpq教程(fmpq.com)</title>
<link rel="stylesheet" href="http://www.fmpq.com/jscss/bootstrap/bootstrap.min.css">
<script src="http://www.fmpq.com/jscss/bootstrap/jquery.min.js"></script>
<script src="http://www.fmpq.com/jscss/bootstrap/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<h2>按钮</h2>
<p>.btn-block 类制作一个块级按钮(拉伸至父元素100%的宽度):</p>
<button type="button" class="btn btn-info btn-block">块级按钮</button>
</div>
</body>
</html>