Examine source code of Flapjack

{
  "theme": {
    "images": {
      "theme_frame": "flap-ja.png"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#080606"
    }
  },
  "version": "2.0",
  "name": "Flapjack",
  "manifest_version": 2,
  "description": "Flapjack's persona =p"
}