Examine source code of Simple Plan Persona

{
  "theme": {
    "images": {
      "theme_frame": "BonSPCrewcontest.jpg"
    },
    "colors": {
      "frame": "#050505",
      "tab_background_text": "#030303"
    }
  },
  "version": "2.0",
  "name": "Simple Plan Persona",
  "manifest_version": 2,
  "description": "A little one for all the simple plan lovers... And the SPCrew contest ;)"
}