diff --git a/skinStyles/mediawiki.notification.less b/skinStyles/mediawiki.notification.less
index 55cfe76ce..0c96f690a 100644
--- a/skinStyles/mediawiki.notification.less
+++ b/skinStyles/mediawiki.notification.less
@@ -21,4 +21,14 @@
 		border-radius: 0.75em;
 		box-shadow: 0 2px 10px 0 rgba(0, 0, 0, 0.125);
 	}
+
+	.mw-notification-type-warn {
+		border-color: #f5be00; /* yellow */
+		box-shadow: 0 2px 10px 0 rgba(0, 0, 0, 0.125), 0 0 0.75em rgba(245, 190, 0, 0.25) inset;
+	}
+
+	.mw-notification-type-error {
+		border-color: red;
+		box-shadow: 0 2px 10px 0 rgba(0, 0, 0, 0.125), 0 0 0.75em rgba(255, 0, 0, 0.25) inset;
+	}
 }