Examine source code of WordPuzzle

{
  "manifest_version": 2,
  "name": "Word Puzzle",
  "version": "1.0",
  "description": "A fun and interactive quiz to practice translating Vietnamese words into English, designed to enhance vocabulary skills.",
  "icons": {
    "48": "word_puzzle_icon.png"
  },
  "browser_action": {
    "default_popup": "index.html",
    "default_title": "Word Puzzle"
  },
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{ab577d00-81c8-480c-8e94-4f709133f4ca}"
    }
  }
}