boostrap预定义样式风格

预定义样式分为五种：primary（首选项）、success（成功）、info（一般信息）、warning（警告）、danger（危险），demo如下，设置不同的class展示不同的样式

<!DOCTYPE HTML>
<html>
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
        <title>无标题文档</title>
        <meta http-equiv="X-UA-Compatible" content="IE=edge">
        <meta name="viewport" content="width=device-width, initial-scale=1">
        <link rel="stylesheet" href="css/bootstrap.css">
        <style>
            .glyphicon-heart {font-size: 100px; color: red;}
        </style>
    </head>
<body>

<div class="container">
    <input type="button" value="默认样式" />
    <input type="button" class="btn btn-primary" value="首选项" />
    <input type="button" class="btn btn-success" value="成功" />
    <input type="button" class="btn btn-info" value="一般信息" />
    <input type="button" class="btn btn-warning" value="警告" />
    <input type="button" class="btn btn-danger" value="危险" />

</div>

</body>
    <script src="js/jquery-2.1.3.js"></script>
    <script src="js/bootstrap.js"></script>
</html>

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