Examine source code of Arctic Winter

{
  "theme": {
    "images": {
      "theme_frame": "ArcticWinterH.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Arctic Winter",
  "manifest_version": 2,
  "description": "Winter Wonderland, snow, Christmas, holiday, cold, December, mountains, \n\nI made a wallpaper to match this and it can be found at: <a href=\"https://outgoing.prod.mozaws.net/v1/f47c0f94fec7551a5537d49964834066a6ed26e0d15b46746d18bcb09f93fc6a/http%3A//nature.desktopnexus.com/wallpaper/257663/\" rel=\"nofollow\">http://nature.desktopnexus.com/wallpaper/257663/</a>"
}