Dropdown menus are transparent with recent web2 versions

![Bildschirmfoto vom 2022-09-28 22-10-18](https://user-images.githubusercontent.com/553008/194539940-0deb15ef-6f7e-4c5c-9a10-20c4beee656c.png)
