引导类超大型
借助Bootstrap中的jumbotron类，可以增加标题的大小并增加很多着陆的余量
页面内容。
您可以尝试运行以下代码以在Bootstrap中实现.jumbotron类-
示例
<!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 landing page!</h1>
<p>Our first page.</p>
<p>
<a class = "btn btn-primary btn-lg" role = "button">Click for more</a>
</p>
</div>
</div>
</body>
</html>