Examine source code of Here comes Santa

{
  "theme": {
    "images": {
      "theme_frame": "moscunori.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Here comes Santa",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/7310c5c06d3f227659c0e7264487562089408a4748af207522c216d15ec65377/http%3A//architecture.desktopnexus.com/wallpaper/690336/\" rel=\"nofollow\">http://architecture.desktopnexus.com/wallpaper/690336/</a> <a href=\"https://outgoing.prod.mozaws.net/v1/1f98783ca8594639e7ceaafe2a5a1f4b4e23e980da330bebbdae9647c338a824/http%3A//abstract.desktopnexus.com/wallpaper/674928/\" rel=\"nofollow\">http://abstract.desktopnexus.com/wallpaper/674928/</a> Santa Claus forest trees pine fir chalet cabin Christmas winter December snow lake Rudolf reindeer sledge flakes celebration mountain"
}