我是 Twitter Bootstrap 的新手,无法弄清楚。我有以下代码。当我更改屏幕宽度(即移动宽度)时,我如何实际折叠行以使其落在彼此下方。目前,它只是将行挤压在一起,并且不会将行放在彼此下方。任何帮助的代码将不胜感激。
<!DOCTYPE html>
<html>
<head>
<title>Bootstrap test</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link href="assets/css/bootstrap-responsive.css" rel="stylesheet">
<link href="css/bootstrap.min.css" rel="stylesheet" media="screen">
</head>
<body>
<h1>Hello, world!</h1>
<script src="http://code.jquery.com/jquery.js"></script>
<script src="js/bootstrap.min.js"></script>
<div class="row-fluid">
<div class="span4" style="overflow:auto">Column 1</div>
<div class="span4">Column 2</div>
<div class="span4">Column 3</div>
</div>
<div class="row-fluid">
<div class="span3">Column 1</div>
<div class="span3">Column 2</div>
<div class="span3">Column 3</div>
<div class="span3">Column 4</div>
</div>
<div class="row-fluid">
<div class="span12">Column 1</div>
</div>
</body>
</html>