Examine source code of Glass Spectrum

{
  "theme": {
    "images": {
      "theme_frame": "personaheader.jpg"
    },
    "colors": {
      "frame": "#808080",
      "tab_background_text": "#d1d1d1"
    }
  },
  "version": "2.0",
  "name": "Glass Spectrum",
  "manifest_version": 2,
  "description": "Glass Spectrum is a professional-looking persona that's sleek, colorful, and dark. If you like a dark and glossy look to your browser, this persona is for you."
}