Examine source code of T-4 Blue Impluse

{
  "theme": {
    "images": {
      "theme_frame": "bi1.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "T-4 Blue Impluse",
  "manifest_version": 2,
  "description": "Blue Impulse is the aerobatic demonstration team of the JASDF."
}