Examine source code of My ExtraLife Winter

{
  "theme": {
    "images": {
      "theme_frame": "extralifewinfinal.jpg"
    },
    "colors": {
      "frame": "#c2c2c2",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "My ExtraLife Winter",
  "manifest_version": 2,
  "description": "This is for the fans of the website <a href=\"https://outgoing.prod.mozaws.net/v1/9b58a7e03755bfda16ec442c9c2b92c6a3780711141a0a5402ead655d9bd4543/http%3A//myextralife.com\" rel=\"nofollow\">http://myextralife.com</a> The artwork is original work by Scott Johnson. For more great artwork &amp; comics check out his website!"
}