Examine source code of We Remember 9-11 Flag

{
  "theme": {
    "images": {
      "theme_frame": "9-11PersonaTop.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "We Remember 9-11 Flag",
  "manifest_version": 2,
  "description": "9-11 Flag We Remember USA NYS. This is a reproduction of the flag. I have also created wallpapers of this... visit <a href=\"https://outgoing.prod.mozaws.net/v1/c1c8b0ac6f396495f2d2542ceaf576e12a333167b9719a1e4e21c3bb75349df0/http%3A//www.hassanmaynard.com\" rel=\"nofollow\">www.hassanmaynard.com</a> then click on Blog."
}