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        </div>

        <div class="tab-pane fade" id="linux-nixos-install-pane" role="tabpanel" aria-labelledby="linux-nixos-install-tab">
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              <span data-i18n="instructionsPageLinuxNixOSInstallStep1"></span>
              <pre class="snippet"><code>environment.systemPackages = [
  pkgs.firefoxpwa
];

programs.firefox = {
  enable = true;
  package = pkgs.firefox;
  nativeMessagingHosts.packages = [ pkgs.firefoxpwa ];
};</code></pre>
              <span data-i18n=