From ff76fdc7c3a60b0f1da506973b239950c77187af Mon Sep 17 00:00:00 2001
From: alstjr7375 <alstjr7375@daum.net>
Date: Fri, 3 Sep 2021 16:57:43 +0900
Subject: [PATCH] Add: Global Menubar - Active color at linux

---
 userChrome.css | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/userChrome.css b/userChrome.css
index 56b6cb3..a64cc80 100644
--- a/userChrome.css
+++ b/userChrome.css
@@ -70,7 +70,8 @@
     --tabs-border-color: rgba(0, 0, 0, 0.3);
   }
 
-  /** Windows 7, 8 - Compatibility ********************************************/
+  /** OS - Compatibility ******************************************************/
+  /*= Windows 7, 8 - Tab Bar Background ***************************************/
   @media (-moz-os-version: windows-win7), (-moz-os-version: windows-win8) {
     /* Header Color */
     :root:not([lwtheme-image]) #navigator-toolbox:-moz-lwtheme {
@@ -89,6 +90,15 @@
     }
   }
 
+  /*= Linux- Global Menubar Active Color =====================================*/
+  @media (-moz-gtk-csd-available) {
+    #main-menubar > menu[open="true"],
+    #main-menubar > menu[_moz-menuactive="true"] {
+      color: inherit !important; /* Original: -moz-menubarhovertext */
+      background-color: color-mix(in srgb, currentColor 20%, transparent) !important; /* Original: -moz-menuhover */
+    }
+  }
+
   /** System Default Theme ****************************************************/
   /*= Common - URL Bar focus color ===========================================*/
   @media (-moz-windows-accent-color-in-titlebar), (-moz-gtk-csd-available) {