Examine source code of Volkersfreunde.de

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#aaaaaa",
      "tab_background_text": "#003300"
    }
  },
  "version": "2.0",
  "name": "Volkersfreunde.de",
  "manifest_version": 2,
  "description": "Persona according to the Corporate Design of Volkersffreunde.de - Computer, Media and Berlin Culture"
}