w3css-ru4i3dwo_7 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>伦敦</h2>
    <p>伦敦是英国人口最多的城市，拥有超过900万居民。</p>
    <hr>
</div>
<article class="w3-container">
    <h2>巴黎</h2>
    <p>巴黎地区是欧洲最大的人口中心之一，人口超过200万。</p>
    <hr>
</article>
<section class="w3-container">
    <h2>东京</h2>
    <p>东京是大东京地区的中心，也是世界上人口最多的都市区。</p>
    <hr>
</section>
</body>
</html>
 
 
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