<html>
<head>
<title>Bootstrap 实例 - Well 的尺寸大小</title>
<link href="https://libs.baidu.com/bootstrap/3.0.3/css/bootstrap.min.css" rel="stylesheet">
<script src="https://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
<script src="https://libs.baidu.com/bootstrap/3.0.3/js/bootstrap.min.js"></script>
</head>
<body>
<div class="well well-lg">您好，我在大的 Well 中！</div>
<div class="well well-sm">您好，我在小的 Well 中！</div>
</body>
</html>