.popup-notification-icon[popupid="addon-install-failed"],
.popup-notification-icon[popupid="addon-install-complete"] {
list-style-image: url("chrome://mozapps/skin/extensions/extensionGeneric.png");
.popup-notification-icon[popupid="addon-install-failed"],
.popup-notification-icon[popupid="addon-install-complete"] {
list-style-image: url("chrome://mozapps/skin/extensions/extensionGeneric.png");