Examine source code of Fairies Garden by MaDonna

{
  "theme": {
    "images": {
      "theme_frame": "FairygardenHCustom.jpg"
    },
    "colors": {
      "frame": "#364021",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Fairies Garden by MaDonna",
  "manifest_version": 2,
  "description": "My desktop wallpaper to match can be found at: <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/e73af07c84d6366e50f2035157962072bda11e4017866052e16fa92ff8daaf18/http%3A//nature.desktopnexus.com/wallpaper/662210/\">http://nature.desktopnexus.com/wallpaper/662210/</a>"
}