Examine source code of erdetfake.dk

{
  "author": "Ken Christensen",
  "background": {
    "page": "background.html",
    "persistent": true
  },
  "content_scripts": [
    {
      "matches": [
        "http://facebook.com/*",
        "https://facebook.com/*",
        "http://www.facebook.com/*",
        "https://www.facebook.com/*"
      ],
      "js": [
        "scripts/browser-polyfill.min.js",
        "scripts/jquery-3.3.1.min.js",
        "Validation.js",
        "Extension.js"
      ],
      "css": [
        "erdetfake.css"
      ]
    }
  ],
  "default_locale": "en",
  "description": "Er det fake.dk",
  "homepage_url": "https://www.erdetfake.dk/",
  "icons": {
    "64": "icons/64.png"
  },
  "manifest_version": 2,
  "name": "erdetfake.dk",
  "permissions": [
    "notifications"
  ],
  "version": "1.0.0.4resigned1",
  "web_accessible_resources": [
    "icons/64.png",
    "stamp.png"
  ],
  "browser_action": {
    "default_icon": {
      "16": "icons/16.png",
      "32": "icons/32.png"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{a8c1afe2-e38c-477f-ac00-846d5b50d569}"
    }
  }
}