gistfile1.txt

    xserver = {
      vaapiDrivers = [ pkgs.vaapiIntel ];
      autorun = true;
      enable = true;
      exportConfiguration = true;
      layout = "us";
      windowManager.i3.enable = true;
      windowManager.default = "i3";
      displayManager.slim = {
        defaultUser = "rok";
        theme = pkgs.fetchurl {
            url = "https://github.com/jagajaga/nixos-slim-theme/raw/master/nixos-slim-theme.tar.gz";
            sha256 = "0bn7m3msmwnhlmfz3x3zh29bgb8vs0l4d53m3z5jkgk9ryf03nk2";
        };
      };
    };
  };