代码如下：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>心灵小屋</title>
</head>
<body>
<!-- 头部-->
<header>
<img src="images/syc.gif" alt="">
</header>
<!-- 导航 -->
<!-- <nav> -->
<ul>
<li> <a href="#o">文章精选</a> </li>
<li> <a href="#n">内容收藏</a> </li>
<li> <a href="#e">心情列表</a> </l