Examine source code of VistaFox_Blue

{
  "theme": {
    "images": {
      "theme_frame": "VistaFox_header.jpg"
    },
    "colors": {
      "frame": "#119cab",
      "tab_background_text": "#119cab"
    }
  },
  "version": "2.0",
  "name": "VistaFox_Blue",
  "manifest_version": 2,
  "description": "A sleek, Vista-styled Persona for Firefox."
}