Examine source code of Christmas Euphoria

{
  "theme": {
    "images": {
      "theme_frame": "2mic.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Christmas Euphoria",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/fb6e349a3b3ec1a196f5249e6915e6d90120923d5098a82bd3ded66aa0dfa657/http%3A//abstract.desktopnexus.com/wallpaper/1237942/\" rel=\"nofollow\">http://abstract.desktopnexus.com/wallpaper/1237942/</a>    \n\nStars, golden, red, black, dark, night, glow, shine, snow flakes, Christmas balls, winter, season, holiday, December, lines, abstract, Real.Twilight"
}