try_w3examples_224 在线代码实例

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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">
    <h2>卡片式下拉菜单</h2>
    <p>将鼠标移到“伦敦”或“东京”上：</p>
    <div class="w3-dropdown-hover">London
        <div class="w3-dropdown-content w3-card-4" style="width:250px">
            <img src="https://atts.w3cschool.cn/img_london.jpg" alt="London" style="width:100%">
            <div class="w3-container">
                <p>伦敦是英格兰的首都。</p>
                <p>它是英国人口最多的城市。</p>
            </div>
        </div>
    </div>
    <div class="w3-dropdown-hover">Tokyo
        <div class="w3-dropdown-content w3-card-4" style="width:250px">
            <img src="https://atts.w3cschool.cn/img_tokyo.jpg" alt="Tokyo" style="width:100%">
            <div class="w3-container">
                <p>东京是日本的首都。</p>
                <p>它有1300万居民。</p>
            </div>
        </div>
    </div>
</div>
 
 
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运行结果
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