Examine source code of F-C Community

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#c9c9c9",
      "tab_background_text": "#003300"
    }
  },
  "version": "2.0",
  "name": "F-C Community",
  "manifest_version": 2,
  "description": "a Persona for the German Online Community - [F-C]<a href=\"https://outgoing.prod.mozaws.net/v1/99ccdfb3b51898fe4faa9496e24a4aae73cf07870768f5a855eee8fd127c07f7/http%3A//Community.de\" rel=\"nofollow\">Community.de</a>"
}