Examine source code of Forgotten Angel

{
  "theme": {
    "images": {
      "theme_frame": "AngelMozillaHeader.jpg"
    },
    "colors": {
      "frame": "#b5b5b5",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Forgotten Angel",
  "manifest_version": 2,
  "description": "Forgotten Angel.\n\nImage taken from <a href=\"https://outgoing.prod.mozaws.net/v1/d81c807012eea1a5fc5d6afd2386a87b4033e8ca88a994ebff76f24764c5483f/http%3A//www.annestokes.com/\" rel=\"nofollow\">http://www.annestokes.com/</a>\n\nall rights reserved"
}