update css class to highlight all promoted addons (#15325)
update css class to highlight all promoted addons (#15325)


wagnerand/addons-server,diox/olympia,eviljeff/olympia,wagnerand/addons-server,mozilla/olympia,eviljeff/olympia,bqbn/addons-server,mozilla/addons-server,mozilla/olympia,diox/olympia,wagnerand/addons-server,bqbn/addons-server,diox/olympia,diox/olympia,mozilla/olympia,mozilla/olympia,bqbn/addons-server,mozilla/addons-server,mozilla/addons-server,eviljeff/olympia,wagnerand/addons-server,bqbn/addons-server,eviljeff/olympia,mozilla/addons-server