Examine source code of Inspiring Quotes

{
  "name": "Inspiring Quotes",
  "version": "0.0.1",
  "manifest_version": 2,
  "description": "Inspirational quotes that keeps you work hard and keep motivated.",
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "download.png",
      "32": "download.png",
      "48": "download.png",
      "128": "download.png"
    }
  },
  "icons": {
    "16": "download.png",
    "32": "download.png",
    "48": "download.png",
    "128": "download.png",
    "300": "download.png"
  },
  "permissions": [
    "activeTab",
    "clipboardRead",
    "clipboardWrite"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{726be5f2-a561-4e95-b7d6-9fe33d765477}"
    }
  }
}