Examine source code of Okami - Nine Tails

{
  "theme": {
    "images": {
      "theme_frame": "firefox.png"
    },
    "colors": {
      "frame": "#666699",
      "tab_background_text": "#ffffcc"
    }
  },
  "version": "2.0",
  "name": "Okami - Nine Tails",
  "manifest_version": 2,
  "description": "Nine Tails from the game Okami."
}