Examine source code of Random Success Quote

{
  "manifest_version": 2,
  "name": "Random Success Quote",
  "version": "1.0",
  "description": "Displays a random success quote when clicked.",
  "icons": {
    "48": "icon.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "permissions": [
    "notifications"
  ],
  "browser_action": {
    "default_title": "Random Success Quote",
    "default_popup": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d0ea7d1d-c00d-4f38-8930-5192a58f2f0d}"
    }
  }
}