Examine source code of Bell X-1

{
  "theme": {
    "images": {
      "theme_frame": "bellx1.jpg"
    },
    "colors": {
      "frame": "#ff6200",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Bell X-1",
  "manifest_version": 2,
  "description": "Bell X-1. First aircraft to break mach 1 (the speed of sound). Piloted by Charles \"Chuck\" Yeager. Aviation, airplane."
}