Examine source code of Winter Nature

{
  "theme": {
    "images": {
      "theme_frame": "winternatureH.jpg"
    },
    "colors": {
      "frame": "#f7f2f2",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Winter Nature",
  "manifest_version": 2,
  "description": "winter, snow, bird, snowflakes, leaves, squirrel, rodent, friends, snowing, cold\n\nDesigned by MaDonna\n\nMy wallpaper to match is at: <a href=\"https://outgoing.prod.mozaws.net/v1/7ca7fb10ca3722a83431f94120e9eef5abb4958420b756436d8a708ecff1a019/http%3A//nature.desktopnexus.com/wallpaper/1348901/\" rel=\"nofollow\">http://nature.desktopnexus.com/wallpaper/1348901/</a>"
}