before the update, i was using a custom theme, and it behaved similarly to the normal dark theme. as in, when i opened a new tab, it was dark, and stuff like that. now that firefox has crashed and i've had the update involuntarily forced upon me, i'm still using the custom theme, but now it behaves as the light theme. is there any way to fix this? i don't appreciate being blinded whenever i open a new tab or adjust my settings.