<html>
<head>
<title>放置文章标题</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<meta name="keywords" content="关键字" />
<meta name="description" content="本页描述或关键字描述" />
</head>
<body>
<div class="main">你好</div>
<button>你好</button>
</body>
</html>