diff --git a/gtk-4.0/.config/gtk-4.0/gtk.css b/gtk-4.0/.config/gtk-4.0/gtk.css
new file mode 100644
index 0000000..e4e4d76
--- /dev/null
+++ b/gtk-4.0/.config/gtk-4.0/gtk.css
@@ -0,0 +1,6 @@
+window, decoration, decoration-overlay, headerbar, .titlebar {
+ 	border-bottom-left-radius: 5px;
+	border-bottom-right-radius:5px;
+	border-top-left-radius: 5px;
+	border-top-right-radius: 5px;
+}