Examine source code of OLX No TOP Ads

{
  "manifest_version": 3,
  "name": "OLX No TOP Ads",
  "version": "1.0",
  "description": "Hides TOP ads on OLX.ua",
  "permissions": [
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://www.olx.ua/*",
        "*://olx.ua/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "style.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "olx-no-top-ads@example.com",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "icons": {
    "48": "icon-48.png",
    "128": "icon-128.png"
  }
}