Examine source code of Prometheus Burning

{
  "theme": {
    "images": {
      "theme_frame": "PrometheusBurning.png"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#e3e3e3"
    }
  },
  "version": "2.0",
  "name": "Prometheus Burning",
  "manifest_version": 2,
  "description": "This is a custom Persona for the electronic duo Prometheus Burning!\n\nCheck them out here: <a href=\"https://outgoing.prod.mozaws.net/v1/9f7f1f06ceec4ce3c0738aa0d18f4add765d53c652568a40244e591ce17e9e4c/http%3A//www.prometheus-burning.com\" rel=\"nofollow\">http://www.prometheus-burning.com</a>!"
}