Examine source code of Helping Santa by MaDonna

{
  "theme": {
    "images": {
      "theme_frame": "HelpingSantaH.jpg"
    },
    "colors": {
      "frame": "#f5eded",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Helping Santa by MaDonna",
  "manifest_version": 2,
  "description": "My wallpaper to match is at: <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/1a1595f0c6cc03e19b88599e5fa698b0abb0c072840381bc412b41181bc19cba/http%3A//abstract.desktopnexus.com/wallpaper/1278931/\">http://abstract.desktopnexus.com/wallpaper/1278931/</a>"
}