try_w3examples_194 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>显示圆角标志</h2>
    <span class="w3-tag w3-padding w3-round-large w3-red w3-center">
    不要<br>
    在水下<br>
    呼吸
    </span>
</div>
</body>
</html>
 
 
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运行结果
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