Bootstrap页面标题 page-header类
页面标题用于在页面标题周围添加适当的间距。
要使用页面页眉，请将您的标题包裹在<div>中，并带有.page-header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 = "page-header">
<h1>
Header
<small>Subtext for header</small>
</h1>
</div>
<p>Demo text! Demo text! Demo text! Demo text! Demo text!
Demo text! Demo text! Demo text! Demo text!
</p>
</body>
</html>