Examine source code of Raccoonus

{
  "theme": {
    "images": {
      "theme_frame": "Raccoonheader.jpg"
    },
    "colors": {
      "frame": "#6b68a8",
      "tab_background_text": "#60bd6a"
    }
  },
  "version": "2.0",
  "name": "Raccoonus",
  "manifest_version": 2,
  "description": "He's happy. He's a raccoon, and he likes FireFox."
}