我是新來Twitter的Bootstrap,並不能解決這個問題..我有以下代碼。當我改變屏幕寬度(即移動寬度)時,我如何實際摺疊這些行落在彼此之下。目前它只是將行擠壓在一起,不會將行放在彼此之下。任何代碼來幫助將不勝感激。Bootstrap如何製作響應/摺疊行?
<!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>