编程学习网为您整理以下代码实例，主要实现：Bootstrap填充灰色框带圆角，希望可以帮到各位朋友。
<!DOCTYPE HTML>
<HTML>
<head>
<Title>bootstrap Example</Title>
<link href = "/bootstrap/CSS/bootstrap.min.CSS" rel = "stylesheet">
<script src = "/scripts/jquery.min.Js"></script>
<script src = "/bootstrap/Js/bootstrap.min.Js"></script>
</head>
<body>
<div class = "container">
<div class = "jumbotron">
<h1>Welcome to my website.</h1>
<p>This is demo text.</p>
<p>
<a class = "btn btn-default btn-sm" role = "button">More</a>
</p>
</div>
</div>
</body>
</HTML>
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