Examine source code of Waiting for the tree

{
  "theme": {
    "images": {
      "theme_frame": "3mic.jpg"
    },
    "colors": {
      "frame": "#e8e8e8",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Waiting for the tree",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/e6337ba432a90037b36c155f4db99c1fdca1f6b2ac699783eef8f05b9befbab5/http%3A//abstract.desktopnexus.com/wallpaper/538741/\" rel=\"nofollow\">http://abstract.desktopnexus.com/wallpaper/538741/</a>  \n  Snowflakes snow frost cold Merry Christmas Santa Claus winter December light lights circles ball balls round decoration decorations red white grey beautiful family time beauty magic Real.Twilight"
}