diff --git a/userChrome.css b/userChrome.css
index 7d8fc37..e6dbf83 100644
--- a/userChrome.css
+++ b/userChrome.css
@@ -132,6 +132,7 @@
     --panel-separator-color: var(--arrowpanel-border-color) !important;
     --panel-separator-zap-gradient: var(--panel-separator-color) !important;
     --lwt-sidebar-background-color: var(--firefoxcss-main-bg-color) !important;
+    --urlbarView-highlight-background: hsl(240, 2%, 20%) !important;
   }
 }