Examine source code of VistaFox_Red

{
  "theme": {
    "images": {
      "theme_frame": "VistaFox_red.jpg"
    },
    "colors": {
      "frame": "#e30000",
      "tab_background_text": "#e30000"
    }
  },
  "version": "2.0",
  "name": "VistaFox_Red",
  "manifest_version": 2,
  "description": "A red, Vista - styled Persona for Firefox."
}