贴上这一段的代码
<!doctype html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta charset="utf-8" />
<title>南京大学112周年校庆专题</title>
<link rel="stylesheet" type="text/css" href="../css/520index.css"/>
</head>
<body>
<div class="all">
<header>
<section>
<h1></h1>
<span>
<p>校友网</p>
<p>联系我们</p>
</span>
</section>
</header>
</div>
</body>
</html>
<!doctype html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta charset="utf-8" />
<title>南京大学112周年校庆专题</title>
<link rel="stylesheet" type="text/css" href="../css/520index.css"/>
</head>
<body>
<div class="all">
<header>
<section>
<h1></h1>
<span>
<p>校友网</p>
<p>联系我们</p>
</span>
</section>
</header>
</div>
</body>
</html>
