Examine source code of Cat Quiz Randomizer

{
  "manifest_version": 3,
  "name": "Cat Quiz Randomizer",
  "version": "1.0",
  "description": "Generate random questions for group fun with a cute cat theme!",
  "action": {
    "default_popup": "popup.html",
    "default_icon": "cat-icon.png"
  },
  "icons": {
    "128": "cat-icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "granth7122001dftkg@hotmail.com"
    }
  }
}