Examine source code of Yin Yang Ambient

{
  "theme": {
    "images": {
      "theme_frame": "YinYang-Header.png"
    },
    "colors": {
      "frame": "#adadad",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Yin Yang Ambient",
  "manifest_version": 2,
  "description": "After a long time, here's finally my new persona, called \"Yin Yang Ambient\".\n\nIt's nothing big and I've just created it out of the blue. ;-) \n\nLooking for a matching Wallpaper?\nTry looking here: <a href=\"https://outgoing.prod.mozaws.net/v1/12674a2f55b504d7aff83b513ff4f8e396f38e13769d572838cbd5e228ff677a/http%3A//yin-yang-ambient.de.tc/\" rel=\"nofollow\">http://yin-yang-ambient.de.tc/</a>"
}