Examine source code of Agony Unleashed

{
  "theme": {
    "images": {
      "theme_frame": "AgonyHeader.jpg"
    },
    "colors": {
      "frame": "#3b0303",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Agony Unleashed",
  "manifest_version": 2,
  "description": "Firefox persona for Agony Unleashed corporation, <a href=\"https://outgoing.prod.mozaws.net/v1/75f363b087452d691d2124ab6fb34bdbbcc2eafcd4088005176609a6f312f311/http%3A//www.agony-unleashed.com\" rel=\"nofollow\">www.agony-unleashed.com</a>"
}