Examine source code of Holiday I

{
  "theme": {
    "images": {
      "theme_frame": "Holiday1H.jpg"
    },
    "colors": {
      "frame": "#450404",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Holiday I",
  "manifest_version": 2,
  "description": "balls, beads, bright, Christmas, Feliz Navidad, glow, red, sparkle, stars, tree, Xmas, \n\nDesigned by MaDonna\n\nMy wallpaper to match is at: <a href=\"https://outgoing.prod.mozaws.net/v1/22a10f5e8659212ec720cd86c60207e75a447c746b8702a34f682535a46c2e97/http%3A//abstract.desktopnexus.com/wallpaper/901173/\" rel=\"nofollow\">http://abstract.desktopnexus.com/wallpaper/901173/</a>"
}