Examine source code of Orange Balls

{
  "theme": {
    "images": {
      "theme_frame": "Persona_Header-03.jpg"
    },
    "colors": {
      "frame": "#777777",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Orange Balls",
  "manifest_version": 2,
  "description": "Orange Ball´s\nlook in my other gallery on:\n<a href=\"https://outgoing.prod.mozaws.net/v1/7e154e6ee13b66c8c5b0f6c429ab28735ec6e54e92fbf90f0188edf9058e6f7d/http%3A//www.mandaly-obrazky.cz\" rel=\"nofollow\">www.mandaly-obrazky.cz</a>"
}