ayui-col-md2 layui-col-lg1 '><i class="fa fa-flag-o"></i><span>fa-flag-o</span></li>
                <li class='layui-col-xs4 layui-col-sm3 layui-col-md2 layui-col-lg1 '><i class="fa fa-flash"></i><span>fa-flash</span></li>
                <li class='layui-col-xs4 layui-col-sm3 layui-col-md2 layui-col-lg1 '><i class="fa fa-flask"></i><span>fa-flask</span></li>
                <li class='layui-col-xs4 layui-col-sm3 layui-col-md2 layui-col-lg1 '><i class="fa fa-folder"></i><span>fa-folder</span></li>
        