Honestly, I understand the complexity of this issue but can we just make Firefox ignore the GTK theme completely from within the viewport? I don't think it makes sense to make the GTK theme dictate what is going on inside of the viewport.
Honestly, I understand the complexity of this issue but can we just make Firefox ignore the GTK theme completely from within the viewport? I don't think it makes sense to make the GTK theme dictate what is going on inside of the viewport.