Fix red private tint overriding classic colors

Author: K4sum1

browser/themes/windows/browser.css

@@ -503,8 +503,16 @@ menupopup[touchmode] :is(menu, menuitem, menucaption) {
 }
 
 @media (-moz-bool-pref: "r3dfox.customizations.enabled") {
+  @media (-moz-windows-classic) {
+    #main-window[privatebrowsingmode="temporary"] #TabsToolbar {
+      background-image: linear-gradient(transparent, ActiveCaption) !important;
+    }
+    #main-window[privatebrowsingmode="temporary"] #TabsToolbar:-moz-window-inactive {
+      background-image: linear-gradient(transparent, InactiveCaption) !important;
+    }
+  }
+
   #main-window[privatebrowsingmode="temporary"] #TabsToolbar {
     background-color: #CC190032 !important;
-  /*  background-image: radial-gradient(ellipse at bottom, rgba(255,165,165,0.8), rgba(255,165,165,0.5) 40%, transparent); */
   }
 }