Is there a way to open subtabs within each container? Ie in the google container I’d like subtabs for YouTube, Gmail, calendar, drive, etc Opening up every goo

Is there a way to open subtabs within each container? Ie in the google container I’d like subtabs for YouTube, Gmail, calendar, drive, etc Opening up every google service in its own google container seems like a recipe to forget once and leave google cookies in your shopping container, for example