<!DOCTYPE html>
<html lang="en">
<head>
<title>Bootstrap Case</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.2/jquery.min.js"></script>
<script src="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<h2>Panels with Contextual Classes</h2>
<div class="panel-group">
<div class="panel panel-default">
<div class="panel-heading">Panel with panel-default class</div>
<div class="panel-body">Panel Content</div>
</div>
<div class="panel panel-primary">
<div class="panel-heading">Panel with panel-primary class</div>
<div class="panel-body">Panel Content</div>
</div>
<div class="panel panel-success">
<div class="panel-heading">Panel with panel-success class</div>
<div class="panel-body">Panel Content</div>
</div>
<div class="panel panel-info">
<div class="panel-heading">Panel with panel-info class</div>
<div class="panel-body">Panel Content</div>
</div>
<div class="panel panel-warning">
<div class="panel-heading">Panel with panel-warning class</div>
<div class="panel-body">Panel Content</div>
</div>
<div class="panel panel-danger">
<div class="panel-heading">Panel with panel-danger class</div>
<div class="panel-body">Panel Content</div>
</div>
</div>
</div>
</body>
</html>