nixos/modules/fonts.nix

{ pkgs, ... }:
{
  fonts = {
    fonts = with pkgs; [overpass  nerdfonts-overpass material-design-icons];
    fontconfig = {
      enable = true;
      defaultFonts = {
        serif = ["Overpass"  "Overpass Nerd Font" "Material Design Icons"];
        sansSerif  = ["Overpass"  "Overpass Nerd Font" "Material Design Icons"];
        monospace  = ["Overpass Mono"  "OverpassMono Nerd Font" "Material Design Icons" ];
      };
    };
  };
}