Examine source code of siKodok

{
  "theme": {
    "images": {
      "theme_frame": "Persona_Header_sikodok.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "siKodok",
  "manifest_version": 2,
  "description": "siKodok persona, let's roll on <a href=\"https://outgoing.prod.mozaws.net/v1/8a533585a4a8832a12eaad6b03ba5a28782c71394e6558dc0acad45b4747acf0/http%3A//koprol.com\" rel=\"nofollow\">koprol.com</a>"
}