diff --git a/chrome/hide_tabs_with_one_tab.css b/chrome/hide_tabs_with_one_tab.css
index d4b566b..c60646e 100644
--- a/chrome/hide_tabs_with_one_tab.css
+++ b/chrome/hide_tabs_with_one_tab.css
@@ -42,12 +42,12 @@ This will NOT work correctly if you have hidden tabs such as with tab groups ext
 }
 /* This is a workaround for fx 119 specifically for users that use default theme, should remove when 120 is released. See bug 1853524 */
 :root:not(:-moz-lwtheme){
-  --toolbar-bgcolor: #f9f9fb;
+  --toolbar-bgcolor: #f9f9fb !important;
 }
 /* ...and for dark variant */
 @media (prefers-color-scheme: dark){
   :root:not(:-moz-lwtheme){
-    --toolbar-bgcolor: rgb(43, 42, 51);
+    --toolbar-bgcolor: rgb(43, 42, 51) !important;
   }
 }
 @media (-moz-platform: linux){
diff --git a/chrome/multi-row_tabs_below_content.css b/chrome/multi-row_tabs_below_content.css
index fecf96e..b42a800 100644
--- a/chrome/multi-row_tabs_below_content.css
+++ b/chrome/multi-row_tabs_below_content.css
@@ -40,12 +40,12 @@ See the above repository for updates as well as full license text. */
   }
   /* This is a workaround for fx 119 specifically for users that use default theme, should remove when 120 is released. See bug 1853524 */
   #main-window[tabsintitlebar]:not(:-moz-lwtheme){
-    --toolbar-bgcolor: #f9f9fb;
+    --toolbar-bgcolor: #f9f9fb !important;
   }
   /* ...and for dark variant */
   @media (prefers-color-scheme: dark){
     #main-window[tabsintitlebar]:not(:-moz-lwtheme){
-      --toolbar-bgcolor: rgb(43, 42, 51);
+      --toolbar-bgcolor: rgb(43, 42, 51) !important;
     }
   }
   :root[uidensity="compact"]{ --multirow-toolbar-height: 34px }