.popup-notification-icon[popupid="addon-install-started"],
.popup-notification-icon[popupid="addon-install-cancelled"],
.popup-notification-icon[popupid="addon-install-failed"],
.popup-notification-icon[popupid="addon-install-started"],
.popup-notification-icon[popupid="addon-install-cancelled"],
.popup-notification-icon[popupid="addon-install-failed"],