Examine source code of Mountains and Lake

{
  "theme": {
    "images": {
      "theme_frame": "MountainLakeH1.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Mountains and Lake",
  "manifest_version": 2,
  "description": "geraniums, flowers, mountains, hills, sky, water, lake, sky, art, My wallpaper to match can be found at: <a href=\"https://outgoing.prod.mozaws.net/v1/e04679868ce02939a266fa9eb7b193469d0204192820f33202f1cc5260983eff/http%3A//nature.desktopnexus.com/wallpaper/678495/\" rel=\"nofollow\">http://nature.desktopnexus.com/wallpaper/678495/</a>"
}