autoprefixer: downgrade to 9, for postcss 7 compat
autoprefixer: downgrade to 9, for postcss 7 compat

autoprefixer 10 works with postcss 8, but everything depends on 7 still

ManageIQ/manageiq-ui-self_service,ManageIQ/manageiq-ui-service,ManageIQ/manageiq-ui-self_service,ManageIQ/manageiq-ui-self_service,ManageIQ/manageiq-ui-service,ManageIQ/manageiq-ui-service