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代码编辑器：

<!DOCTYPE htm>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link href="https://cdn.bootcss.com/bootstrap/2.3.2/css/bootstrap.min.css" rel="stylesheet">
<style>body {margin:10px}</style>
<div class="container">
    <div class="row">
        <div class="span5">
            
            <button type="button" class="btn btn-default active">默认</button>

<button type="button" class="btn btn-primary active">原始</button>

<button type="button" class="btn btn-success active">成功</button>

<button type="button" class="btn btn-info active">信息</button>

<button type="button" class="btn btn-warning active">警告</button>

<button type="button" class="btn btn-danger active">危险</button>

<button type="button" class="btn btn-link active">链接</button>
        </div>
    </div>
</div>

代码编辑器：

运行结果：