制作导航菜单

<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>CSS制作立体导航</title>
    <link rel="stylesheet" href="http://www.w3cplus.com/demo/css3/base.css">
    <style>
        body{
          background: #ebebeb;
        }
        .nav{
          560px;
          height: 50px;
          font:bold 0/50px Arial;
          text-align:center;
          margin:40px auto 0;
          background: #f65f57;
          /*制作圆*/
          border-radius:5px;
        
          /*制作导航立体风格*/
          box-shadow:3px 3px #CCCCCC;
          
        }
        .nav a{
          display: inline-block;
          -webkit-transition: all 0.2s ease-in;
          -moz-transition: all 0.2s ease-in;
          -o-transition: all 0.2s ease-in;
          -ms-transition: all 0.2s ease-in;
          transition: all 0.2s ease-in;
        }
        .nav a:hover{
          -webkit-transform:rotate(10deg);
          -moz-transform:rotate(10deg);
          -o-transform:rotate(10deg);
          -ms-transform:rotate(10deg);
          transform:rotate(10deg);
        }

        .nav li{
          position:relative;
          display:inline-block;
          padding:0 16px;
          font-size: 13px;
          text-shadow:1px 2px 4px rgba(0,0,0,.5);
          list-style: none outside none;
        }
        /*使用伪元素制作导航列表项分隔线*/
        .nav li:before{
            content:"";
            colo:#CCCCCC;
            position:absolute;
            top:18px;
            height:20px;
            left:-1px;
            1px;
            background-image:linear-gradient(to bottom,#f65f57,#993333,#f65f57);
        }
        /*删除第一项和最后一项导航分隔线*/
        .nav li:first-child:before{
            background-image:none;
        }
        .nav a,
        .nav a:hover{
          color:#fff;
          text-decoration: none;
        }

    </style>
</head>
<body>
    <ul class="nav">
        <li><a href="">Home</a></li>
        <li><a href="">About Me</a></li>
        <li><a href="">Portfolio</a></li>
        <li><a href="">Blog</a></li>
        <li><a href="">Resources</a></li>
        <li><a href="">Contact Me</a></li>
    </ul>
</body>
</html>
伪元素的使用