Examine source code of Quotes generator

{
  "manifest_version": 2,
  "name": "Inspirational Quotes",
  "version": "1.0",
  "description": "A Firefox extension that displays quotes about hard work and passive income.",
  "icons": {
    "48": "icon.png"
  },
  "browser_action": {
    "default_popup": "popup.html"
  },
  "permissions": [
    "activeTab"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{c967eb17-8b7d-4602-a01d-afe2c823f96e}"
    }
  }
}