diff --git a/gtk-3.0/gtk-dark.css b/gtk-3.0/gtk-dark.css
index 9a06e6e..5dbda20 100755
--- a/gtk-3.0/gtk-dark.css
+++ b/gtk-3.0/gtk-dark.css
@@ -2674,7 +2674,7 @@ window.csd > .titlebar:not(headerbar) {
   box-shadow: none; }
 
 .titlebar:not(headerbar) > separator, .titlebar:not(headerbar) > separator:backdrop {
-  background: #0c0e14; }
+  background: #161925; }
 
 /**************
  * GtkInfoBar *
diff --git a/gtk-3.0/gtk.css b/gtk-3.0/gtk.css
index bf7e96a..043648c 100755
--- a/gtk-3.0/gtk.css
+++ b/gtk-3.0/gtk.css
@@ -2681,7 +2681,7 @@ window.csd > .titlebar:not(headerbar) {
   box-shadow: none; }
 
 .titlebar:not(headerbar) > separator, .titlebar:not(headerbar) > separator:backdrop {
-  background: #0c0e14; }
+  background: #fff; }
 
 /**************
  * GtkInfoBar *