gnome gtk theme

rices/gnome.nix

@@ -10,6 +10,15 @@ in
   services.xserver.displayManager.gdm.enable = true;
   services.xserver.desktopManager.gnome.enable = true;
 
+  gtk = {
+    enable = true;
+    theme = {
+      name = "sweet";
+      package = pkgs.sweet;
+    };
+  };
+  programs.dconf.enable = true;
+
   home-manager.users.junikim = {
     # Home Manager needs a bit of information about you and the
     # paths it should manage.