标题

h1 到 h6 及其默认样式。

HTML

<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<title>Browser default heading styles</title>
</head>
<body>
	<h1>Heading 1 (h1)</h1>
	<h2>Heading 2 (h2)</h2>
	<h3>Heading 3 (h3)</h3>
	<h4>Heading 4 (h4)</h4>
	<h5>Heading 5 (h5)</h5>
	<h6>Heading 6 (h6)</h6>

	<!-- Link back to HTML Dog: -->
	<p><a href="https://htmldog.cn/examples/"><img src="https://htmldog.cn/badge1.gif" alt="HTML Dog"></a></p>
</body>
</html>

输出

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