简单下拉列表
<!DOCTYPE html>
<html lang="en" >
<head>
<meta charset="UTF-8">
<title>样式独特的纯CSS3自定义下拉菜单DEMO演示</title>
<link href="https://fonts.googleapis.com/css?family=Raleway:200,400" rel="stylesheet">
<link rel="stylesheet" href="css/style.css">
</head>
<body>
<div style="text-align:center;clear:both;">
<script src="/gg_bd_ad_720x90.js" type="text/javascript"></script>
<script src="/follow.js" type="text/javascript"></script>
</div>
<nav>
<h2>Drop Down Menu</h2>
<input id="toggle" type="checkbox" checked>
<ul>
<li><a href="#">Section 01</a></li>
<li><a href="#">Section 02</a></li>
<li><a href="#">Section 03</a></li>
<li><a href="#">Section 04</a></li>
</ul>
</nav>
</body>
</html>