{config, ...}: {
  home-manager.services.gammastep = {
    enable = true;
    settings = {
      general = {
        temp-day = 1300;
        temp-night = 1300;
        gamma = "0.8:0.8:0.8";
        fade = 0;
        adjustment-method = "wayland";
        location-provider = "manual";
      };

      manual = {
        lat = 48.1;
        lon = 11.6;
      };
    };
  };
}