md2 layui-col-lg1 '><i class="fa fa-toggle-up"></i><span>fa-toggle-up</span></li>
                <li class='layui-col-xs4 layui-col-sm3 layui-col-md2 layui-col-lg1 '><i class="fa fa-trash"></i><span>fa-trash</span></li>
                <li class='layui-col-xs4 layui-col-sm3 layui-col-md2 layui-col-lg1 '><i class="fa fa-trash-o"></i><span>fa-trash-o</span></li>
                <li class='layui-col-xs4 layui-col-sm3 layui-col-md2 layui-col-lg1 '><i class="fa fa-tree"></i><span>fa-tree</span></li>
           