Bootstrap 按钮激活状态—

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<head>
    <meta charset="utf-8"> 
    <title>Bootstrap 按钮激活状态 - 迹忆客(jiyik.com)</title>
    <link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/3.3.7/css/bootstrap.min.css">  
    <script src="https://cdn.staticfile.org/jquery/2.1.1/jquery.min.js"></script>
    <script src="https://cdn.staticfile.org/twitter-bootstrap/3.3.7/js/bootstrap.min.js"></script>
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<p>
    <button type="button" class="btn btn-default btn-lg ">默认按钮</button>
    <button type="button" class="btn btn-default btn-lg active">激活按钮</button>
</p>
<p>
    <button type="button" class="btn btn-primary btn-lg ">原始按钮</button>
    <button type="button" class="btn btn-primary btn-lg active">激活的原始按钮</button>
</p>
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</body>
</html>