{ pkgs, ... }: { boot = { initrd.systemd.enable = true; kernelParams = ["quiet"]; plymouth = { enable = true; theme = "bgrt"; }; }; services = { xserver.displayManager = { lightdm = { enable = true; greeters.gtk = { enable = true; theme = { name = "Adwaita-dark"; }; iconTheme = { name = "Arc"; package = pkgs.arc-icon-theme; }; }; }; }; }; }