Examine source code of GeoQuiz

{
  "manifest_version": 2,
  "name": "GeoQuiz",
  "version": "1.0",
  "description": "Challenge your knowledge of world geography with this fun and educational Firefox extension. Answer questions about country capitals and test your global trivia skills!",
  "icons": {
    "48": "icon.png"
  },
  "browser_action": {
    "default_popup": "index.html",
    "default_title": "GeoQuiz"
  },
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{1ab0d60d-76b6-4599-8462-7012e6e22e39}"
    }
  }
}