Firefox on Linux should drop GTK3 stylesheets (or use libadwaita's)

[nuko]

firefox looks like a mess on linux, it still uses a gtk3 stylesheet for context menus etc. despite everything else being changed with firefox themes (even the window decoration)

i don't know if anyone else submitted this idea before, but either:

1. let firefox themes change everything, even context menus
2. instead of using gtk3 stylesheet, use a libadwaita stylesheet (imitate libadwaita)

otherwise on linux it leads into an extremely inconsistent design, so firefox themes/colour that you can download on the addons website should style everything

or have libadwaita styling for whatever's using a gtk3 stylesheet right now

[Jon]

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[Jon]

Potentially related to your first point:

Themes: allow theming context menu (and other stuff)