Reduce shadow amount in notification container - flat.css theme

Author: Kristan Kenney

install/deb/themes/flat.css

@@ -111,4 +111,8 @@ b, strong {
 
 .badge {
     box-shadow: none;
+}
+
+.notification-container {
+    box-shadow: 0 3px 6px 0 rgba(0, 0, 0, 0.3);
 }