Examine source code of Santas New Year

{
  "theme": {
    "images": {
      "theme_frame": "santanewyearsH.jpg"
    },
    "colors": {
      "frame": "#a6caa9",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Santas New Year",
  "manifest_version": 2,
  "description": "Christmas,  Feliz Navidad, gift, leaves, Saint Nicholas, Saint Nick, Santa Claus, time, tree, decorations, window, My wallpaper to match is at: <a href=\"https://outgoing.prod.mozaws.net/v1/66cc28c0787f1c17688c6b2fea04afd1fbc6b9a97da2733ebc6bd70b7cdc13ad/http%3A//abstract.desktopnexus.com/wallpaper/910547/\" rel=\"nofollow\">http://abstract.desktopnexus.com/wallpaper/910547/</a>"
}