Examine source code of Microsoft Flight

{
  "theme": {
    "images": {
      "theme_frame": "FlightHeader.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "Microsoft Flight",
  "manifest_version": 2,
  "description": "Made from the website image at <a href=\"https://outgoing.prod.mozaws.net/v1/6571374f8a6f69870c53b943ba5439809d4c8b7f096b45570d37053ec3079d99/http%3A//www.microsoft.com/games/flight\" rel=\"nofollow\">www.microsoft.com/games/flight</a>"
}