Examine source code of BodyParts & Organs

{
  "manifest_version": 2,
  "name": "Body Parts & Organs",
  "version": "1.0",
  "description": "Popup game to practice Vietnamese body parts and internal organs in English – useful for health, anatomy and medical conversation.",
  "icons": {
    "48": "body_organs_icon.png"
  },
  "browser_action": {
    "default_popup": "index.html",
    "default_title": "Body Parts & Organs"
  },
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{822ae99e-9f6e-4f5c-b2fb-631b0a15735a}",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}