简单教程
提交运行
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/3.3.7/css/bootstrap.min.css" rel="stylesheet"> <script src="https://cdn.bootcss.com/jquery/1.12.4/jquery.js"></script> <script src="https://cdn.bootcss.com/bootstrap/3.3.7/js/bootstrap.min.js"></script> <style>body {margin:20px}</style> <div class="list-group"> <a href="#" class="list-group-item active">免费域名注册</a> <a href="#" class="list-group-item">24*7 支持</a> <a href="#" class="list-group-item">免费 Window 空间托管</a> <a href="#" class="list-group-item">图像的数量</a> <a href="#" class="list-group-item">每年更新成本</a> </div>
运行结果：