Examine source code of Sz Games

{
  "manifest_version": 3,
  "name": "Sz Games",
  "version": "1.0",
  "description": "Sz Games, a super zone gaming platform to enjoy 300+ games. An online hub where players can play all kind of games.",
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "images/icon16.png",
      "48": "images/icon48.png",
      "128": "images/icon128.png"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{238f03b1-874e-133d-b688-23f84e350e3d}"
    }
  }
}