Actually finally fix coloring

Author: K4sum1

browser/themes/shared/browser-shared.css

@@ -165,27 +165,27 @@
 
       will-change: background-color;
       transition: background-color var(--inactive-window-transition);
-    
+
       &:-moz-window-inactive {
         background-color: var(--toolbox-non-lwt-bgcolor-inactive);
         color: var(--toolbox-non-lwt-textcolor-inactive);
       }
+    }
+  }
 
-      :root[customizing] & {
-        border-bottom-style: none;
-      }
-    
-      &:-moz-lwtheme {
-        background-image: var(--lwt-additional-images);
-        background-repeat: var(--lwt-background-tiling);
-        background-position: var(--lwt-background-alignment);
-        background-color: var(--lwt-accent-color);
-        color: inherit;
-    
-        &:-moz-window-inactive {
-          background-color: var(--lwt-accent-color-inactive, var(--lwt-accent-color));
-        }
-      }
+  :root[customizing] & {
+    border-bottom-style: none;
+  }
+
+  &:-moz-lwtheme {
+    background-image: var(--lwt-additional-images);
+    background-repeat: var(--lwt-background-tiling);
+    background-position: var(--lwt-background-alignment);
+    background-color: var(--lwt-accent-color);
+    color: inherit;
+
+    &:-moz-window-inactive {
+      background-color: var(--lwt-accent-color-inactive, var(--lwt-accent-color));
     }
   }
 

browser/themes/shared/light-dark-overrides.css

@@ -73,6 +73,12 @@
         background: transparent !important;
       }
 
+      /* Allows seeing the caption bar on Windows pre-10 */
+      #navigator-toolbox,
+      #navigator-toolbox-background {
+        background-color: transparent !important;
+      }
+
       /* Remove lwtheme borders from toolbars in non-maximized windows. */
       #toolbar-menubar,
       #TabsToolbar {