Examine source code of Sky Over Water

{
  "theme": {
    "images": {
      "theme_frame": "SkyoverWaterH.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Sky Over Water",
  "manifest_version": 2,
  "description": "My matching wallpaper can be found at: <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/c824d71950d43a53ee96a33c00ee1aebf6425e6266fd76c5a5b8f2cfbb238540/http%3A//nature.desktopnexus.com/wallpaper/662311/\">http://nature.desktopnexus.com/wallpaper/662311/</a>"
}