Examine source code of Quote Generator

{
  "manifest_version": 2,
  "name": "Quote Generator",
  "version": "1.0",
  "description": "Displays a random quote about hard work or passive income.",
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": "icons/icon.png"
  },
  "permissions": [
    "activeTab"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{7f215410-fa6b-49b2-ba6b-c21d908bfd85}"
    }
  }
}