{
  inputs,
  pkgs,
  ...
}: let
  zen-browser = inputs.zen-browser.packages.${pkgs.system}.default;
in {
  programs = {
    firefox = {
      package = zen-browser;
      profiles = rec {
        default = {
          userContent = "
                            --zen-colors-primary: #82aaff !important;
                            --zen-colors-secondary: #c099ff !important;
                            --zen-colors-tertiary: #1e2030 !important;
                            --zen-colors-border: #3b4261 !important;
                            --zen-dialog-background: #222436 !important;

                            .tab-background[selected=[selected=''] {
                                background-color: #6c598c !important;
                        }
                    ";
        };
      };
    };
  };
}