w3css-o5cu3dxe_5 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">
</head>
<body>
<div class="w3-container">
    <h1><strong>w3-display-hover</strong> 类</h1>
    <div class="w3-display-container w3-hover-opacity" style="width:50%">
        <img src="https://atts.w3cschool.cn/img_avatar3.png" alt="Avatar" style="width:100%">
        <div class="w3-display-middle w3-display-hover w3-xlarge">
            <button class="w3-button w3-black">约翰·杜</button>
        </div>
    </div>
</div>
</body>
</html>
 
 
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运行结果
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