try_w3responsiveness_13 在线代码实例

实例代码( Tip: 登录后体验更佳 )
运行代码

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<!DOCTYPE html>
<html>
<head>
    <title>W3.CSS(w3cschool.cn)</title>
    <meta name="viewport" content="width=device-width, initial-scale=1" charset="UTF-8">
    <link rel="stylesheet" href="https://7npmedia.w3cschool.cn/w3.css">
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css">
</head>
<body>
<div class="w3-container">
    <h2>w3-mobile 类</h2>
    <p><strong>w3-mobile</strong>类添加移动第一响应性到任何元件。</p>
    <p>它将display：block和width：100％添加到屏幕宽度小于600px的元素上。</p>
    <p>调整浏览器窗口的大小以查看效果：</p>
    <button class="w3-button w3-black w3-mobile">主页</button>
    <button class="w3-button w3-black w3-mobile">链接 1</button>
    <button class="w3-button w3-black w3-mobile">链接 2</button>
    <button class="w3-button w3-black w3-mobile">链接 3</button>
</div>
</body>
</html>
 
 
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运行结果
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