firefox menu font can not set by gnome tweak 3.32.0
I use ubuntu19.04, gnome 3.32.1, gnome tweak version 3.32.0, firefox version 66.0.3
In ubuntu18.04, firefox menu font can be set by gnome-tweak, but in ubuntu19.04 firefox menu font can not set by gnome tweak now.
I don't know how to set firefox menu font now.