Examine source code of SIMHorseRacing.com

{
  "theme": {
    "images": {
      "theme_frame": "header.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "SIMHorseRacing.com",
  "manifest_version": 2,
  "description": "Persona for online horse racing simulation <a href=\"https://outgoing.prod.mozaws.net/v1/8179983cdb51d1aaeabf098afbf9da83967f345e6fb84ea03f628e66b71641c4/http%3A//www.SIMHorseRacing.com\" rel=\"nofollow\">www.SIMHorseRacing.com</a>"
}