Examine source code of Winter Playland

{
  "theme": {
    "images": {
      "theme_frame": "WinterPlaylandHCustom.jpg"
    },
    "colors": {
      "frame": "#000033",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Winter Playland",
  "manifest_version": 2,
  "description": "Christmas, fairies, frost, freeze, penguins, pixies, play, snow, snowballs, snowing, snowman, winter, cute, whimsical, cold, elves, \n\nDesigned by MaDonna\n\nMy wallpaper to match is at: <a href=\"https://outgoing.prod.mozaws.net/v1/485731249f8c18bf574ada58ef06aae7d4c492e14e8562874f0974c7f0effc1d/http%3A//nature.desktopnexus.com/wallpaper/884871/\" rel=\"nofollow\">http://nature.desktopnexus.com/wallpaper/884871/</a>"
}