Examine source code of Birds Joy by MaDonna

{
  "theme": {
    "images": {
      "theme_frame": "BirdJoyHCustom2.jpg"
    },
    "colors": {
      "frame": "#ebcfb3",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Birds Joy by MaDonna",
  "manifest_version": 2,
  "description": "Designed by MaDonna\n\nMy wallpaper to match is at: <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/ef5b0ac592d3d8f6395e9c3ff0cc52b9de7e36109d49ca956f78409d70388b89/http%3A//animals.desktopnexus.com/wallpaper/1050208/\">http://animals.desktopnexus.com/wallpaper/1050208/</a>"
}