Examine source code of FPS Creator

{
  "theme": {
    "images": {
      "theme_frame": "hlavicka.JPG"
    },
    "colors": {
      "frame": "#dbdbdb",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "FPS Creator",
  "manifest_version": 2,
  "description": "Persona k webu <a href=\"https://outgoing.prod.mozaws.net/v1/d62ce6d82749284ffe202a75b5dd53b9f516e92435b5348ddf78a65d373be9fc/http%3A//fps-c.wbs.cz\" rel=\"nofollow\">fps-c.wbs.cz</a>"
}