Bootstrap 网格系统(Grid System)实例5：手机，平板电脑，笔记本或台式电脑
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title>Bootstrap历练作品：小中大型设备</title>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1.0" />
<link href="bootstrap-3.3.5-dist/css/bootstrap.min.css" rel="stylesheet" />
<style>
.col-sm-3, .col-sm-9, .col-md-6, .col-lg-4, .col-lg-8 {
background-color:#e5eecc;
box-shadow:inset 1px -1px 1px #c3c3c3,inset -1px 1px 1px #c3c3c3;
}
</style>
</head>
<body>
<div class="container">
<h2>Hello Bootstrap</h2>
<div class="row">
<div class="col-sm-3 col-md-6 col-lg-4" >
<p>
Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do
eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut
enim ad minim veniam, quis nostrud exercitation ullamco laboris
nisi ut aliquip ex ea commodo consequat.
</p>
<p>
Sed ut perspiciatis unde omnis iste natus error sit voluptatem
accusantium doloremque laudantium, totam rem aperiam, eaque ipsa
quae ab illo inventore veritatis et quasi architecto beatae vitae
dicta sunt explicabo.
</p>
</div>
<div class="col-sm-9 col-md-6 col-lg-8">
<p>
Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do
eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut
enim ad minim veniam, quis nostrud exercitation ullamco laboris
nisi ut aliquip ex ea commodo consequat.
</p>
<p>
Sed ut perspiciatis unde omnis iste natus error sit voluptatem
accusantium doloremque laudantium, totam rem aperiam, eaque ipsa
quae ab illo inventore veritatis et quasi architecto beatae vitae
dicta sunt explicabo.
</p>
</div>
</div>
</div>
<script src="Css/jquery-2.1.4.js"></script>
<script src="bootstrap-3.3.5-dist/js/bootstrap.min.js"></script>
</body>
</html>