Examine source code of Random Life Quotes

{
  "manifest_version": 2,
  "name": "Random Life Quotes",
  "version": "1.1",
  "description": "Displays a random life quote when you click the extension button.",
  "icons": {
    "48": "icon48.png"
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "48": "icon48.png"
    }
  },
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{b9ad0e94-f154-44c3-936c-e73474879e84}"
    }
  }
}