Jumbotron is one of the typographic components.
Jumbotron is used to showcase key content on your site. It works well on marketing and content-heavy sites.
<!DOCTYPE HTML>
<html>
<head>
<link href="http://java2s.com/style/bootstrap.min.css" rel="stylesheet">
<!-- www. jav a 2 s . co m-->
<script src="http://java2s.com/style/jquery-1.8.0.min.js"></script>
<script src="http://java2s.com/style/bootstrap.min.js"></script>
</head>
<body style='margin: 20px;'>
<div class="jumbotron">
<h1>Hello, world!</h1>
<p>This is a simple hero unit, a simple jumbotron-style component
for calling extra attention to featured content or information.</p>
<p>
<a class="btn btn-primary btn-lg">Learn more</a>
</p>
</div>
</body>
</html>