Examine source code of FortyFourClan

{
  "theme": {
    "images": {
      "theme_frame": "Banner_Small_Logo.png"
    },
    "colors": {
      "frame": "#1a24eb",
      "tab_background_text": "#ebdd17"
    }
  },
  "version": "2.0",
  "name": "FortyFourClan",
  "manifest_version": 2,
  "description": "A simple Persona using the [-44-]Clan logo and colour theme. We don't expect anyone else to use it...\n\n<a href=\"https://outgoing.prod.mozaws.net/v1/cf01ce2a769e65aad0bc05e62bd0de61f0cd1f07ac272e5c98c3ee0dbff8f68c/http%3A//www.fortyfour.org.uk\" rel=\"nofollow\">www.fortyfour.org.uk</a>"
}