在线运行代码 - 菜鸟教程

<!DOCTYPE html>
<html>
<head>
  <title>Foundation 实例</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://cdn.staticfile.org/foundation/5.5.3/css/foundation.min.css">
  <script src="https://cdn.staticfile.org/jquery/2.1.1/jquery.min.js"></script>
  <script src="https://cdn.staticfile.org/foundation/5.5.3/js/foundation.min.js"></script>
  <script src="https://cdn.staticfile.org/foundation/5.5.3/js/vendor/modernizr.js"></script>
</head>
<body>

<h2>根据屏幕方向显示元素</h2>
<p class="show-for-landscape">文本只在横向显示。</p>
<p class="show-for-portrait">文本只在纵向显示。</p>

</body>
</html>
源代码

动行结果
