源代码 ：
点击运行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Bootstrap 实例 - 标签的变体</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> </head> <body> <span class="label label-default">默认标签</span> <span class="label label-primary">主要标签</span> <span class="label label-success">成功标签</span> <span class="label label-info">信息标签</span> <span class="label label-warning">警告标签</span> <span class="label label-danger">危险标签</span> </body> </html>
运行结果