style: Use dashes for CSS variable names
I messed up when porting named colors to CSS variables, while named colors use underscores in their names, CSS variables use dashes.
Signed-off-by: Adrien Plazas aplazas@gnome.org
I messed up when porting named colors to CSS variables, while named colors use underscores in their names, CSS variables use dashes.
Signed-off-by: Adrien Plazas aplazas@gnome.org