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<title>实战1：选项卡</title>
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.box {
width: 538px;
height: 500px;
background-color: #A9A9A9;
border: 1px solid red;
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text-align: center;
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.box > ul li {
list-style-type: none;
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height: 36px;
float: left;
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float:right;
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line-height: 36px;
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color: #696969;
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font-weight: border;
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border-top: 3px solid blue;
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.box div ul li {
line-height: 1.5em;
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color: #636363;
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.box div ul li a:hover{
color: red;
font-size: 1.2em
}
.box div ul li span {
float: right;
color: red;
}
</style>
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<body>
<h3>选项卡实战</h3>
<div class="box">
<ul>
<li class="active">技术文章</li>
<li>网站源码</li>
<li>原生手册</li>
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</ul>
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<li><a href="">Js教程 | Ajax如何实现城市二级联动</a><span>2018-04-22</span></li>
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<li><a href="">前段模板 | 钻石小鸟模板</a><span>2018-04-22</span></li>
<li><a href="">前段模板 | 钻石小鸟模板</a><span>2018-04-22</span></li>
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<li><a href="">推荐博文 | 0330两个Js小暗雷</a><span>2018-04-22</span></li>
<li><a href="">推荐博文 | 0330两个Js小暗雷</a><span>2018-04-22</span></li>
</ul>
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