Examine source code of Cesta domu

{
  "theme": {
    "images": {
      "theme_frame": "personasfirefox3.6.png"
    },
    "colors": {
      "frame": "#cad0e3",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Cesta domu",
  "manifest_version": 2,
  "description": "Persona with logo of non-profit organization situated in Prague, Czech Republic."
}