Examine source code of Quintessentially for Mac

{
  "theme": {
    "images": {
      "theme_frame": "HeaderMAC.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Quintessentially for Mac",
  "manifest_version": 2,
  "description": "Quintessentially is a private members' club with a 24-hour global concierge service, and part of the world's leading luxury lifestyle group.\n\n<a href=\"https://outgoing.prod.mozaws.net/v1/7e94243a6d83f80e81aa7bc453ec165e7087a24e4e8fa6022f0771138d4b8e48/http%3A//www.quintessentiallygroup.com\" rel=\"nofollow\">www.quintessentiallygroup.com</a>"
}