Transparent right click menu

When right clicking in the left sidebar, the background color of the menu is transparent, making it hard to choose the option I want:
Screenshot from 2022-08-08 16-20-56
Screenshot from 2022-08-08 16-27-26
The menu also persist when I go to another application (e.g. my mailbox):
Screenshot from 2022-08-08 16-31-59
I’ve installed SDKMAN! and installed the newest java version:
Screenshot from 2022-08-08 16-22-19
I’m running Ubuntu 21.04.

Please try using BellSoft Liberica Java 11 Full JRE which is the recommended one.

That solved the issue, thanks for the quick response!