From 941bbc9f80498578f552364c40df4f3e8127d534 Mon Sep 17 00:00:00 2001
From: alstjr7375 <alstjr7375@daum.net>
Date: Wed, 13 Apr 2022 11:46:02 +0900
Subject: [PATCH] Fix: System Default Theme - Win10 accent color's tab
 separator

---
 userChrome.css | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/userChrome.css b/userChrome.css
index 575be89..3a95c0a 100644
--- a/userChrome.css
+++ b/userChrome.css
@@ -530,6 +530,13 @@ menu[disabled="true"] {
     --panel-separator-color: var(--win-border-color) !important;
   }
 
+  @media (-moz-windows-accent-color-in-titlebar) {
+    :root[tabsintitlebar]:not(:-moz-window-inactive, :-moz-lwtheme),
+    :root[tabsintitlebar][lwt-default-theme-in-dark-mode]:not(:-moz-window-inactive) {
+      --toolbarseparator-color: color-mix(in srgb, currentColor 20%, transparent) !important; /* As default */
+    }
+  }
+
   /*- Menu -------------------------------------------------------------------*/
   html#main-window menupopup:not(:-moz-lwtheme) {
     --menu-color: var(--win-text-color) !important;