Examine source code of Time for Fall

{
  "theme": {
    "images": {
      "theme_frame": "TimeForFallCustom.jpg"
    },
    "colors": {
      "frame": "#ff6600",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Time for Fall",
  "manifest_version": 2,
  "description": "vintage clock, fall, autumn, antique, book, key, season, berries, bright, orange, gold, yellow, My wallpaper to match can be found at: <a href=\"https://outgoing.prod.mozaws.net/v1/9fa5daf0747188e641c5553a415862afcacae954c1c83141935f408d0212ca37/http%3A//nature.desktopnexus.com/wallpaper/794486/\" rel=\"nofollow\">http://nature.desktopnexus.com/wallpaper/794486/</a>"
}