案例：Foundation案例     状态：可编辑再运行    进入竖版
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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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</head>
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​
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<body>
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​
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<div style="padding:20px;">
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  <h2>圆角开关</h2>
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  <p>使用 <code>.radius</code> 和 <code>.round</code> 类来设置圆角开关:</p>
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  <span>默认</span>
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  <div class="switch">
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    <input id="mySwitch1" type="checkbox">
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    <label for="mySwitch1"></label>
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  </div>
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​
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  <span>圆角</span>
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  <div class="switch radius">
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    <input id="mySwitch2" type="checkbox">
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    <label for="mySwitch2"></label>
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  </div>
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​
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  <span>圆形</span>
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  <div class="switch round">
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    <input id="mySwitch3" type="checkbox">
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    <label for="mySwitch3"></label>
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  </div>
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</div>
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​
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</body>
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</html>
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​