class="layui-menu-body-title">menu item 7-2-1</div></li>
                      <li><div class="layui-menu-body-title">menu item 7-2-2</div></li>
                      <li><div class="layui-menu-body-title">menu item 7-2-3</div></li>
                      <li><div class="layui-menu-body-title">menu item 7-2-4</div></li>
                    </ul>
                  </div>
                </li>
                <li><div class="layui-menu-body-title">menu item 7-2</div></li>
                <li><div class="layui-