Examine source code of Jet Racing

{
  "theme": {
    "images": {
      "theme_frame": "JetRacing.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#bac"
    }
  },
  "version": "2.0",
  "name": "Jet Racing",
  "manifest_version": 2,
  "description": "The world's fastest motorsport, Pylon Air Racing, represented here by two Jet Class racers battling it out over the desert in Reno Nevada."
}