Examine source code of Random Quote Generator

{
  "manifest_version": 2,
  "name": "Random Quote Generator",
  "version": "1.0",
  "description": "Displays a random inspirational quote.",
  "permissions": [
    "activeTab"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icon16.png",
      "48": "icon48.png",
      "128": "icon128.png"
    }
  },
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "content_security_policy": "script-src 'self' 'unsafe-eval'; object-src 'self'",
  "background": {
    "scripts": [
      "script.js"
    ],
    "persistent": false
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{5ff3fdde-e8a1-478b-83f2-077a1010658b}"
    }
  }
}