<title>静夜思</title><style type="text/css">#red{color:#ff0000; font-weight:bold;}#blue{color:#0000ff; font-weight:bold;}</style></head><body><h1>静夜思</h1><p>床前明月光,</p><p id="red">疑是地上霜。</p><p>举头望明月,</p><p id="blue">低头思故乡。</p></body>