Examine source code of Quote Popup

{
  "manifest_version": 2,
  "name": "Quote Popup",
  "version": "1.0",
  "description": "Shows a popup with a quote about hard work or passive income when clicked.",
  "icons": {
    "48": "icon.png"
  },
  "browser_action": {
    "default_icon": "icon.png",
    "default_popup": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{06b232de-45c7-4760-ac02-f9263d7f9b8c}"
    }
  }
}