简单教程
提交运行
代码编辑器：
<!DOCTYPE html> <meta charset="utf-8" /> <link rel="stylesheet" href="https://cdn.bootcss.com/font-awesome/4.7.0/css/font-awesome.css"> <div class="list-group"> <a href="#" class="list-group-item"><i class="fa fa-home fa-fw"></i> Home</a> <a href="#" class="list-group-item"><i class="fa fa-book fa-fw"></i> Library</a> <a href="#" class="list-group-item"><i class="fa fa-pencil fa-fw"></i> Applications</a> <a href="#" class="list-group-item"><i class="fa fa-cog fa-fw"></i> Settings</a> </div>
运行结果：