案例：Foundation案例     状态：可编辑再运行    进入竖版
 运行结果　
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<!DOCTYPE html>
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<html>
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<head>
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  <title>Foundation 实例</title>
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  <meta charset="utf-8">
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  <meta name="viewport" content="width=device-width, initial-scale=1">
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  <link rel="stylesheet" href="/css/foundation5.5.3/foundation.min.css">
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  <script src="/js/bootstrap/jquery.min.js"></script>
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  <script src="/js/foundation5.5.3/foundation.min.js"></script>
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  <script src="/js/foundation5.5.3/modernizr.js"></script>
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<style>
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.tabs-content > .content.active {
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    -webkit-animation: fadeEffect 1s;
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    animation: fadeEffect 1s;
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}
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​
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@-webkit-keyframes fadeEffect {
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    from {opacity: 0;}
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    to {opacity: 1;}
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}
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​
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@keyframes fadeEffect {
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    from {opacity: 0;}
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    to {opacity: 1;}
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}
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</style>
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</head>
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<body style="padding:20px">
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​
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<h2>淡入切换选项卡</h2>
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<ul class="tabs" data-tab>
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  <li class="tab-title active"><a href="#home">主页</a></li>
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  <li class="tab-title"><a href="#menu1">菜单 1</a></li>
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  <li class="tab-title"><a href="#menu2">菜单 2</a></li>
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  <li class="tab-title"><a href="#menu3">菜单 3</a></li>
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</ul>
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<div class="tabs-content">
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  <div class="content active" id="home">
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    <h3>HOME</h3>
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    <p>首页内容。</p>
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  </div>
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  <div class="content" id="menu1">
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    <h3>菜单 1</h3>
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    <p>文本内容。</p>
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  </div>
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  <div class="content" id="menu2">
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    <h3>菜单 2</h3>
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    <p>文本内容。</p>