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<html>
<head>
<title>666</title>
<link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://cdn.staticfile.org/jquery/2.1.1/jquery.min.js"></script>
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</head>
<body>
<h1>我是标签h1<small>我是副标签.h1</small></h1>
<h2>我是标签h2<small>我是副标签.h2</small></h2>
<h3>我是标签h3<small>我是副标签.h3</small></h3>
<h4>我是标签h4<small>我是副标签.h4</small></h4>
<h5>我是标签h5<small>我是副标签.h5</small></h5>
<h6>我是标签h6<small>我是副标签.h6</small></h6>
</body>
</html>
标签：--,标签,h1,h6,h4,HTML,h3 From： https://www.cnblogs.com/fushuxuan/p/17227923.html