use placeholder selectors for base menu styles
use placeholder selectors for base menu styles

nzherald/fyi-theme,mysociety/bilmehakki-theme,openaustralia/righttoknow,mysociety/asknepal-theme,mysociety/alavetelitheme,nikeshbalami/asknepal-theme,nzherald/fyi-theme,mysociety/alavetelitheme,nztu/nztu-theme,mimesbronn/alavetelitheme,TEDICpy/queremosaber-theme,nzherald/fyi-theme,mysociety/asknepal-theme,olineham/morebetter-theme,olineham/morebetter-theme,mysociety/bilmehakki-theme,TEDICpy/queremosaber-theme,mysociety/sobanukirwa-theme,nikeshbalami/asknepal-theme,nztu/nztu-theme,mysociety/sobanukirwa-theme,slygent/accessinfohktheme,TEDICpy/queremosaber-theme,slygent/accessinfohktheme,olineham/morebetter-theme,openaustralia/righttoknow,openaustralia/righttoknow,mimesbronn/alavetelitheme