Examine source code of Cookie Popup Blocker20

{
  "manifest_version": 2,
  "name": "Cookie Popup Blocker",
  "version": "1.0",
  "description": "Tự động ẩn hoặc từ chối popup cookie phiền phức.",
  "permissions": [
    "<all_urls>",
    "storage"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{885ff461-f7dc-4e9b-b75a-329d8fd6b087}"
    }
  }
}