Examine source code of Ubuntu new

{
  "theme": {
    "images": {
      "theme_frame": "Persona_Header-05.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Ubuntu new",
  "manifest_version": 2,
  "description": "Ubuntu new\ncreated by Pavel Kodrle\n<a href=\"https://outgoing.prod.mozaws.net/v1/7e154e6ee13b66c8c5b0f6c429ab28735ec6e54e92fbf90f0188edf9058e6f7d/http%3A//www.mandaly-obrazky.cz\" rel=\"nofollow\">www.mandaly-obrazky.cz</a>\n<a href=\"https://outgoing.prod.mozaws.net/v1/1df45d0b6ece19130e4dacc58c748ac407f15e21e86882391ee5c5d86dc7bdda/http%3A//www.youtube.com/pavelkodrle\" rel=\"nofollow\">www.youtube.com/pavelkodrle</a>"
}