diff --git a/src/other/firefox/Monterey/parts/tabsbar-alt.css b/src/other/firefox/Monterey/parts/tabsbar-alt.css
index 97cdea2..db5319f 100644
--- a/src/other/firefox/Monterey/parts/tabsbar-alt.css
+++ b/src/other/firefox/Monterey/parts/tabsbar-alt.css
@@ -8,7 +8,7 @@
 
 /* Fix tabs bar icon sizes */
 #TabsToolbar {
-	--toolbarbutton-inner-padding: var(--toolbarbutton-inner-padding) !important;
+	padding: 0 0 6px 0 !important;
 }
 
 /* Tabs bar height */
@@ -31,7 +31,7 @@ tab > stack {
 }
 
 .tabbrowser-tab {
-	margin: 0 4px !important;
+	margin: 0 3px !important;
 }
 
 .tabbrowser-tab,
@@ -44,7 +44,6 @@ tab > stack {
 	max-height: 32px !important;
 	padding: 0 !important;
 	background-image: none !important;
-	margin-bottom: 6px !important;
 }
 
 .tabbrowser-tab:not([visuallyselected="true"], [multiselected]), .tabbrowser-tab:-moz-lwtheme {
@@ -56,7 +55,9 @@ tab > stack {
 }
 
 .tab-background {
-	transition: background 200ms !important;
+	margin: 0 !important;
+	transition: all 200ms;
+	margin-block: 0 !important;
 }
 
 .tab-background:not([selected=true]) {
@@ -91,10 +92,6 @@ tab > stack {
 	padding: 0 10px !important;
 }
 
-.tab-background {
-	transition: all 200ms;
-}
-
 /* Prevent tab icons size breaking */
 .tab-icon-image, .tab-icon-sound, .tab-throbber, .tab-throbber-fallback, .tab-close-button {
 	min-width: 16px;
@@ -148,21 +145,14 @@ tab > stack {
 	margin-left: 0 !important
 }
 
-@media (-moz-proton) {
-	/* Firefox v89 beta tab fix */
-	.tab-background {
-		margin-block: 0 !important;
-	}
+/*Align personal bookmarks v89 */
+#personal-bookmarks {
+	-moz-box-align: center !important;
+}
 
-	/*Align personal bookmarks v89 */
-	#personal-bookmarks {
-		-moz-box-align: center !important;
-	}
-
-	/* fix misc spacing between tabs */
-	.tabbrowser-tab {
-		padding-inline: 0px !important;
-	}
+/* fix misc spacing between tabs */
+.tabbrowser-tab {
+	padding-inline: 0px !important;
 }
 
 .close-icon {
diff --git a/src/other/firefox/WhiteSur/parts/tabsbar.css b/src/other/firefox/WhiteSur/parts/tabsbar.css
index b002315..61c5994 100644
--- a/src/other/firefox/WhiteSur/parts/tabsbar.css
+++ b/src/other/firefox/WhiteSur/parts/tabsbar.css
@@ -10,11 +10,6 @@
 	margin-bottom: -1px !important;
 }
 
-/* Fix tabs bar icon sizes */
-#TabsToolbar {
-	--toolbarbutton-inner-padding: var(--toolbarbutton-inner-padding) !important;
-}
-
 /* Tabs bar height */
 #tabbrowser-tabs,
 #tabbrowser-tabs arrowscrollbox {
@@ -157,34 +152,32 @@ tab[selected]:-moz-window-inactive {
 	margin-left: 0 !important
 }
 
-@media (-moz-proton) {
-	/* Firefox v89 beta tab fix */
-	.tab-background {
-		border-radius: 0 !important;
-		margin-block: 0 !important;
-	}
 
-	/*Align personal bookmarks v89 */
-	#personal-bookmarks {
-		-moz-box-align: center !important;
-	}
+.tab-background {
+	border-radius: 0 !important;
+	margin-block: 0 !important;
+}
 
-	/* fix misc spacing between tabs */
-	.tabbrowser-tab {
-		min-height: 28px !important;
-		padding-inline: 0px !important;
-	}
+/*Align personal bookmarks v89 */
+#personal-bookmarks {
+	-moz-box-align: center !important;
+}
 
-	.tabbrowser-tab[selected="true"]>.tab-stack>.tab-background {
-		margin-left: 0px !important;
-		margin-right: 0px !important;
-	}
+/* fix misc spacing between tabs */
+.tabbrowser-tab {
+	min-height: 28px !important;
+	padding-inline: 0px !important;
+}
 
-	/* centre text when audio is playing */
-	.tabbrowser-tab:is([soundplaying]) .tab-label-container {
-		margin-left: 0 !important;
-		margin-right: auto !important
-	}
+.tabbrowser-tab[selected="true"]>.tab-stack>.tab-background {
+	margin-left: 0px !important;
+	margin-right: 0px !important;
+}
+
+/* centre text when audio is playing */
+.tabbrowser-tab:is([soundplaying]) .tab-label-container {
+	margin-left: 0 !important;
+	margin-right: auto !important
 }
 
 /* Remove tab icons */
@@ -275,6 +268,7 @@ tab[selected]:-moz-window-inactive {
 	border-image: none !important;
 	margin-left: -1px !important;
 	margin-right: -1px !important;
+	border-radius: 0 !important;
 	box-shadow: 1px 0 var(--gnome-toolbar-border-color), 1px 0 3px rgba(0, 0, 0, 0.08),
 	            -1px 0 var(--gnome-toolbar-border-color), -1px 0 3px rgba(0, 0, 0, 0.08),
 	            inset 0 -1px var(--gnome-toolbar-border-color) !important;
@@ -313,6 +307,11 @@ tab[selected]:-moz-window-inactive {
 	display: none !important;
 }
 
+#TabsToolbar .toolbarbutton-1 {
+	margin: 0 !important;
+	border-radius: 0 !important;
+}
+
 /* Create new container tab indicator */
 .tabbrowser-tab[class*="identity-color-"] .tab-content::before {
 	content: "";