Examine source code of Floating in Pink

{
  "theme": {
    "images": {
      "theme_frame": "FloatinginPinkHcopy.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Floating in Pink",
  "manifest_version": 2,
  "description": "two swans on a twilight evening in a marsh. birds, cat tails, grasses, pond, lake, swimming, evening, My wallpaper that matches is at: <a href=\"https://outgoing.prod.mozaws.net/v1/49e92f156c01179e2ba5d8ec7cc6cc1b3bd935b1020122721251b24f28ebe8d8/http%3A//nature.desktopnexus.com/wallpaper/641373/\" rel=\"nofollow\">http://nature.desktopnexus.com/wallpaper/641373/</a>"
}