<title>静夜思</title>
<style type="text/css">
h1,#two,.red{ color:#ff0000; font-size:14px;}
h2,h3{color:#0000ff; font-size:16px; text-decoration:underline;}
</style>
</head>
<body>
<h1>静夜思</h1>
<h2>床前明月光,</h2>
<p class="red">疑是地上霜。</p>
<h3>举头望明月,</h3>
<p id="two">低头思故乡。</p>
</body>