Examine source code of Amazon Info Hider

{
  "manifest_version": 3,
  "name": "Amazon Info Hider",
  "version": "1.1",
  "description": "Amazonのサイト上で名前と住所を自動削除します。",
  "browser_specific_settings": {
    "gecko": {
      "id": "amazon-info-hider@your-domain.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "icons": {
    "16": "icons/icon16.svg",
    "48": "icons/icon48.svg",
    "128": "icons/icon128.svg"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.amazon.co.jp/*"
      ],
      "css": [
        "style.css"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_start"
    }
  ]
}