FIX: scrollbar compatible with mac os
FIX: scrollbar compatible with mac os

Former-commit-id: 565308e5696d20d3a06129b1a2755a2fde3c7efc [formerly 6d0091d90108953ebca0123127a9a5691c522a30]
Former-commit-id: d6d53a5d58738480cf6cc2e04b1ecd5ea3e0574c
greenify/msa,greenify/msa,greenify/msa