Looks like the app itself has a custom dark theme but your window theme is still light. You would probably get something similar if you used a custom dark theme in something like chrome/arduino/libreoffice/… . Do you get a dark top bar when setting to dark in the quick menu?
-- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-control-center in Ubuntu. https://bugs.launchpad.net/bugs/1993874 Title: Settings and Quick Menu apply Dark style differently To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1993874/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs