diff --git a/chrome/autohide_bookmarks_and_main_toolbars.css b/chrome/autohide_bookmarks_and_main_toolbars.css
index 836455c..217b7e1 100644
--- a/chrome/autohide_bookmarks_and_main_toolbars.css
+++ b/chrome/autohide_bookmarks_and_main_toolbars.css
@@ -86,7 +86,7 @@ See the above repository for updates as well as full license text. */
 /* This makes the tab notification box show immediately below tabs, otherwise it would break the layout */
 #navigator-toolbox > div{ display: contents }
 :where(#titlebar,#tab-notification-deck,.global-notificationbox){
-  -moz-box-ordinal-group: 0;
+  order: -1;
 }
 :root[BookmarksToolbarOverlapsBrowser] #navigator-toolbox{
   margin-bottom: calc(-1px - var(--uc-bm-height) + var(--uc-navbar-height)) !important;