Examine source code of Formula 1 Button

{
  "theme": {
    "images": {
      "theme_frame": "Formula1-Button1a.jpg"
    },
    "colors": {
      "frame": "#a19f9f",
      "tab_background_text": "#f0e7e7"
    }
  },
  "version": "2.0",
  "name": "Formula 1 Button",
  "manifest_version": 2,
  "description": "2009 F1 Champion Jensen Buttton"
}