{ config, pkgs, lib, ... }:
{
        gnome = { pkgs, ... }: {
          config = {
            services.xserver.enable = true;
            services.xserver.displayManager.gdm.enable = true;
            services.xserver.desktopManager.gnome.enable = true;
            environment.gnome.excludePackages = (with pkgs; [
              gnome-photos
              gnome-tour
            ]) ++ (with pkgs.gnome; [
              cheese # webcam tool
              gnome-music
              epiphany # web browser
              geary # email reader
              gnome-characters
              gnome-contacts
              gnome-initial-setup
            ]);
            programs.dconf.enable = true;
            environment.systemPackages = with pkgs; [
              gnome.gnome-tweaks
            ]
          };
        };

  gtk = {
    enable = true;

    iconTheme = {
      name = "Papirus-Dark";
      package = pkgs.papirus-icon-theme;
    };

    theme = {
      name = "palenight";
      package = pkgs.palenight-theme;
    };

    cursorTheme = {
      name = "Numix-Cursor";
      package = pkgs.numix-cursor-theme;
    };

    gtk3.extraConfig = {
      Settings = ''
        gtk-application-prefer-dark-theme=1
      '';
    };

    gtk4.extraConfig = {
      Settings = ''
        gtk-application-prefer-dark-theme=1
      '';
    };
  };

  home.sessionVariables.GTK_THEME = "palenight";

  # Use `dconf watch /` to track stateful changes you are doing, then set them here.
  dconf.settings = {
    # ...
    "org/gnome/shell" = {
      favorite-apps = [
        "firefox.desktop"
        "code.desktop"
        "org.gnome.Terminal.desktop"
        "spotify.desktop"
        "virt-manager.desktop"
        "org.gnome.Nautilus.desktop"
      ];
      disable-user-extensions = false;
      # `gnome-extensions list` for a list
      enabled-extensions = [
        "user-theme@gnome-shell-extensions.gcampax.github.com"
        "trayIconsReloaded@selfmade.pl"
        "Vitals@CoreCoding.com"
        "dash-to-panel@jderose9.github.com"
        "sound-output-device-chooser@kgshank.net"
        "space-bar@luchrioh"
      ];

    };
    "org/gnome/desktop/interface" = {
      color-scheme = "prefer-dark";
      enable-hot-corners = false;
    };
    "org/gnome/desktop/wm/preferences" = {
      workspace-names = [ "Main" ];
    };
    "org/gnome/desktop/background" = {
      picture-uri = "file:///run/current-system/sw/share/backgrounds/gnome/vnc-l.png";
      picture-uri-dark = "file:///run/current-system/sw/share/backgrounds/gnome/vnc-d.png";
    };
    "org/gnome/desktop/screensaver" = {
      picture-uri = "file:///run/current-system/sw/share/backgrounds/gnome/vnc-d.png";
      primary-color = "#3465a4";
      secondary-color = "#000000";
    };
  };

  home.packages = with pkgs; [
    # ...
    gnomeExtensions.user-themes
    gnomeExtensions.tray-icons-reloaded
    gnomeExtensions.vitals
    gnomeExtensions.dash-to-panel
    gnomeExtensions.sound-output-device-chooser
    gnomeExtensions.space-bar
  ];



}