Examine source code of christmas portrait

{
  "theme": {
    "images": {
      "theme_frame": "portraitnoelh.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "christmas portrait",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/2de993868f4bcb0991158cc9b1fef0113e16368f929bf13fb49c49c1245c5709/http%3A//www.creationsitesphotos.fr\" rel=\"nofollow\">http://www.creationsitesphotos.fr</a>"
}