Examine source code of Dark Valentine by MaDonna

{
  "theme": {
    "images": {
      "theme_frame": "DarkValentineH.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Dark Valentine by MaDonna",
  "manifest_version": 2,
  "description": "The wallpaper I made to match is at: <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/5051256c1ffd9924f821f200d294ee2208ee9d6fb6569d792cc54e87a8d7ef14/http%3A//abstract.desktopnexus.com/wallpaper/584637/\">http://abstract.desktopnexus.com/wallpaper/584637/</a>"
}