diff --git a/chrome/navbar_tabs_oneliner.css b/chrome/navbar_tabs_oneliner.css
index bacd780..ec08fee 100644
--- a/chrome/navbar_tabs_oneliner.css
+++ b/chrome/navbar_tabs_oneliner.css
@@ -8,7 +8,7 @@ See the above repository for updates as well as full license text. */
 /*
 urlbar_popup_full_width.css is VERY MUCH recommended for Firefox 71+ because of new urlbar popup
 */
-
+:root{ --tab-block-margin: var(--proton-tab-block-margin) }
 :root[uidensity="compact"]{
   --tab-block-margin: 2px !important;
   --proton-tab-block-margin: 2px !important;
diff --git a/chrome/navbar_tabs_oneliner_menu_buttons_on_right.css b/chrome/navbar_tabs_oneliner_menu_buttons_on_right.css
index c463251..1e374f2 100644
--- a/chrome/navbar_tabs_oneliner_menu_buttons_on_right.css
+++ b/chrome/navbar_tabs_oneliner_menu_buttons_on_right.css
@@ -8,7 +8,7 @@ See the above repository for updates as well as full license text. */
 Get window_control_placeholder_support.css
 Window controls will be all wrong without it
 */
-
+:root{ --tab-block-margin: var(--proton-tab-block-margin) }
 :root[uidensity="compact"]{
   --tab-block-margin: 2px !important;
   --proton-tab-block-margin: 2px !important;
diff --git a/chrome/navbar_tabs_oneliner_tabs_on_left.css b/chrome/navbar_tabs_oneliner_tabs_on_left.css
index f9acade..895aa6d 100644
--- a/chrome/navbar_tabs_oneliner_tabs_on_left.css
+++ b/chrome/navbar_tabs_oneliner_tabs_on_left.css
@@ -8,7 +8,7 @@ See the above repository for updates as well as full license text. */
 Get window_control_placeholder_support.css
 Window controls will be all wrong without it
 */
-
+:root{ --tab-block-margin: var(--proton-tab-block-margin) }
 :root[uidensity="compact"]{
   --tab-block-margin: 2px !important;
   --proton-tab-block-margin: 2px !important;
diff --git a/chrome/navbar_tabs_responsive_oneliner.css b/chrome/navbar_tabs_responsive_oneliner.css
index 3045466..98e1c0c 100644
--- a/chrome/navbar_tabs_responsive_oneliner.css
+++ b/chrome/navbar_tabs_responsive_oneliner.css
@@ -11,7 +11,7 @@ See the above repository for updates as well as full license text. */
 
 /* Modify it to suit your needs */
 @media screen and (min-width: 1100px){
-  
+  :root{ --tab-block-margin: var(--proton-tab-block-margin) }
   :root[uidensity="compact"]{
     --tab-block-margin: 2px !important;
     --proton-tab-block-margin: 2px !important;