Examine source code of Word Wise Quiz

{
  "manifest_version": 2,
  "name": "WordWise Quiz",
  "version": "1.0",
  "description": "An engaging quiz game to boost your Vietnamese-to-English vocabulary skills with fun word challenges.",
  "icons": {
    "48": "vocab_icon.png"
  },
  "browser_action": {
    "default_popup": "index.html",
    "default_title": "WordWise Quiz"
  },
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{0bb946f6-60b0-4c56-ab56-48ad7c5510e7}"
    }
  }
}