Examine source code of Benne Kip

{
  "theme": {
    "images": {
      "theme_frame": "PersonaHeaderImage.png"
    },
    "colors": {
      "frame": "#c9c9c9",
      "tab_background_text": "#666600"
    }
  },
  "version": "2.0",
  "name": "Benne Kip",
  "manifest_version": 2,
  "description": "Chickens on a soft green background \n( replacing the green grass they were running 'round in ;) )"
}