diff --git a/gtk-3.0/gtk-dark.css b/gtk-3.0/gtk-dark.css
index ac322b3..f086f9d 100755
--- a/gtk-3.0/gtk-dark.css
+++ b/gtk-3.0/gtk-dark.css
@@ -2709,7 +2709,7 @@ window.csd > .titlebar:not(headerbar) {
   box-shadow: none; }
 
 .titlebar:not(headerbar) > separator, .titlebar:not(headerbar) > separator:backdrop {
-  background: #0c0e14; }
+  background: #07080c; }
 
 /**************
  * GtkInfoBar *
diff --git a/gtk-3.0/gtk.css b/gtk-3.0/gtk.css
index f5ff2f7..e36092e 100755
--- a/gtk-3.0/gtk.css
+++ b/gtk-3.0/gtk.css
@@ -2716,7 +2716,7 @@ window.csd > .titlebar:not(headerbar) {
   box-shadow: none; }
 
 .titlebar:not(headerbar) > separator, .titlebar:not(headerbar) > separator:backdrop {
-  background: #0c0e14; }
+  background: #101013; }
 
 /**************
  * GtkInfoBar *