Examine source code of Flying South Sunset

{
  "theme": {
    "images": {
      "theme_frame": "FlyingSouthSunset.jpg"
    },
    "colors": {
      "frame": "#030303",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Flying South Sunset",
  "manifest_version": 2,
  "description": "sunset, sky, birds, flight, grass, horizon, night, orange, sun, My wallpaper to match can be found at: <a href=\"https://outgoing.prod.mozaws.net/v1/6e8c98fd27b6bbfc60372ff71fed5584bfefc5eb243518405a7cb9f1aa8e12b1/http%3A//nature.desktopnexus.com/wallpaper/721848/\" rel=\"nofollow\">http://nature.desktopnexus.com/wallpaper/721848/</a>"
}