：target方法实现切换

<!DOCTYPE HTML>
<html>
<head>
    <title>:target切换</title>
    <meta charset="utf-8" />
    <style>
        *{margin:0;padding: 0;}
        #tab li{float: left;list-style: none;width: 80px;height: 40px;line-height: 40px;cursor: pointer;text-align: center;}
        #container{position: relative;}
        #content1,#content2,#content3{width: 300px;padding:30px;position: absolute;top: 40px;left: 0;}
        #tab1,#content1{background-color: #ffcc00;}
        #tab2,#content2{background-color: #ff00cc;}
        #tab3,#content3{background-color: #00ccff;}
        :target{z-index:1}
        #content1 {z-index:1}
    </style>
</head>
<body>
<h2>实现多标签页效果</h2>
<ul id="tab">
    <li id="tab1">
       <a href="#content1">10元套餐</a></li>
    <li id="tab2"
       ><a href="#content2">30元套餐</a></li>
    <li id="tab3"
       ><a href="#content3">50元包月</a></li>
</ul>
<div id="container">
    <div id="content1" class="fade show">
        10元套餐详情：<br />&nbsp;每月套餐内拨打100分钟，超出部分2毛/分钟
    </div>
    <div id="content2" class="fade">
        30元套餐详情：<br />&nbsp;每月套餐内拨打300分钟，超出部分1.5毛/分钟
    </div>
    <div id="content3" class="fade">
        50元包月详情：<br />&nbsp;每月无限量随心打
    </div>
</div>
</body>
</html>