Examine source code of Random Quotes

{
  "manifest_version": 2,
  "name": "Random Quote",
  "version": "1.0",
  "description": "Displays a random quote",
  "icons": {
    "48": "icon.png"
  },
  "browser_action": {
    "default_icon": {
      "48": "icon.png"
    },
    "default_title": "Random Quote"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "<all_urls>"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{8a7573ec-c4e5-4b7e-86b3-357aec398c31}"
    }
  }
}