App下载
实例代码( Tip: 登录后体验更佳 )
<!DOCTYPE html>
<html>
<title>(w3cschool.cn)</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://7npmedia.w3cschool.cn/w3.css">
<body>
<div class="w3-panel w3-padding-16 w3-orange">
<h4>w3-padding-16</h4>
<p>16px</p>
</div>
<div class="w3-panel w3-padding-24 w3-orange">
<h4>w3-padding-24</h4>
<p>24px</p>
</div>
<div class="w3-panel w3-padding-32 w3-orange">
<h4>w3-padding-32</h4>
<p>32px</p>
</div>
<div class="w3-panel w3-padding-48 w3-orange">
<h4>w3-padding-48</h4>
<p>48px</p>
</div>
<div class="w3-panel w3-padding-64 w3-orange">
<h4>w3-padding-64</h4>
<p>64px</p>
</div>
</body>
</html>
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运行结果