Examine source code of PIXEL SHIFTER

{
  "manifest_version": 2,
  "name": "PROTECTOR DE PANTALLA - PIXEL SHIFTER",
  "version": "1.0",
  "description": "Extensión que mueve el contenido para prevenir burn-in",
  "content_scripts": [
    {
      "matches": [
        "*://app.powerbi.com/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{80f10a4c-b68e-4c55-a379-049473eb1f00}"
    }
  }
}