Examine source code of ProCharger

{
  "theme": {
    "images": {
      "theme_frame": "Persona-Top.jpg"
    },
    "colors": {
      "frame": "#a8a3a8",
      "tab_background_text": "#f0eded"
    }
  },
  "version": "2.0",
  "name": "ProCharger",
  "manifest_version": 2,
  "description": "ProCharger Supercharger systems. The Ultimate Power Adder for your Ford Mustang, Chevy Camaro, Chevy, Corvette, Dodge Challenger, or Dodge Charger. Plus many other car applications."
}