diff --git a/alternative_user_files/userContent_no_addons.css b/alternative_user_files/userContent_no_addons.css
index 7b6b2ce..dae94b3 100644
--- a/alternative_user_files/userContent_no_addons.css
+++ b/alternative_user_files/userContent_no_addons.css
@@ -136,6 +136,8 @@ regexp(".*\\.(p|P)(d|D)(f|F).*") {
     --in-content-dark-header-background: var(--tone-9)!important;
     --tab-line-selected-color: var(--accent-2)!important;
     --secure-connection-color: var(--accent-1);
+    --tab-background-color: var(--tone-9)!important;
+    --tab-color: var(--in-content-selected-text);
     --theme-sidebar-background: #1B1B1D!important;
     --card-outline-color: var(--in-content-box-border-color)!important;
     --cm-background: var(--tone-8)!important;
diff --git a/css/common-files/color_variables.css b/css/common-files/color_variables.css
index 895eb26..b65138a 100644
--- a/css/common-files/color_variables.css
+++ b/css/common-files/color_variables.css
@@ -136,6 +136,8 @@ regexp(".*\\.(p|P)(d|D)(f|F).*") {
     --in-content-dark-header-background: var(--tone-9)!important;
     --tab-line-selected-color: var(--accent-2)!important;
     --secure-connection-color: var(--accent-1);
+    --tab-background-color: var(--tone-9)!important;
+    --tab-color: var(--in-content-selected-text);
     --theme-sidebar-background: #1B1B1D!important;
     --card-outline-color: var(--in-content-box-border-color)!important;
     --cm-background: var(--tone-8)!important;
diff --git a/css/userChrome-files/navbar.css b/css/userChrome-files/navbar.css
index 7e68104..bb7905f 100644
--- a/css/userChrome-files/navbar.css
+++ b/css/userChrome-files/navbar.css
@@ -1,4 +1,9 @@
 @-moz-document url-prefix(chrome://) {
+  .browser-toolbar.titlebar-color:-moz-lwtheme-brighttext,
+  .tab-background:not([selected]):-moz-lwtheme-brighttext {
+    background-color: var(--tab-background-color)!important;
+    color: var(--tab-color)!important
+  }
   @media screen and (-moz-os-version:windows-win7) {
     window {
       background-color: var(--tone-9)!important;
diff --git a/userChrome.css b/userChrome.css
index 6ffadf1..ef4c232 100644
--- a/userChrome.css
+++ b/userChrome.css
@@ -136,6 +136,8 @@ regexp(".*\\.(p|P)(d|D)(f|F).*") {
     --in-content-dark-header-background: var(--tone-9)!important;
     --tab-line-selected-color: var(--accent-2)!important;
     --secure-connection-color: var(--accent-1);
+    --tab-background-color: var(--tone-9)!important;
+    --tab-color: var(--in-content-selected-text);
     --theme-sidebar-background: #1B1B1D!important;
     --card-outline-color: var(--in-content-box-border-color)!important;
     --cm-background: var(--tone-8)!important;
@@ -805,6 +807,11 @@ url(chrome://browser/content/places/bookmarkProperties2.xul) {
   background: var(--toolbarbutton-hover-background)!important
 }
 @-moz-document url-prefix(chrome://) {
+  .browser-toolbar.titlebar-color:-moz-lwtheme-brighttext,
+  .tab-background:not([selected]):-moz-lwtheme-brighttext {
+    background-color: var(--tab-background-color)!important;
+    color: var(--tab-color)!important
+  }
   @media screen and (-moz-os-version:windows-win7) {
     window {
       background-color: var(--tone-9)!important;
diff --git a/userContent.css b/userContent.css
index 2e60d1b..888782a 100644
--- a/userContent.css
+++ b/userContent.css
@@ -136,6 +136,8 @@ regexp(".*\\.(p|P)(d|D)(f|F).*") {
     --in-content-dark-header-background: var(--tone-9)!important;
     --tab-line-selected-color: var(--accent-2)!important;
     --secure-connection-color: var(--accent-1);
+    --tab-background-color: var(--tone-9)!important;
+    --tab-color: var(--in-content-selected-text);
     --theme-sidebar-background: #1B1B1D!important;
     --card-outline-color: var(--in-content-box-border-color)!important;
     --cm-background: var(--tone-8)!important;