Examine source code of COMPENSA A TUA PEGADA

{
  "name": "COMPENSA A TUA PEGADA",
  "author": "COMPENSA A TUA PEGADA",
  "version": "2.0.0",
  "manifest_version": 2,
  "description": "COMPENSA A TUA PEGADA de carbono gratuitamente e poupa dinheiro com códigos de desconto quando fazes compras online.",
  "icons": {
    "16": "icons/on/on_16x16.png",
    "32": "icons/on/on_32x32.png",
    "48": "icons/on/on_48x48.png",
    "128": "icons/on/on_128x128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_security_policy": "object-src 'self'",
  "permissions": [
    "http://*/",
    "https://*/",
    "tabs",
    "cookies",
    "alarms",
    "webRequest"
  ],
  "web_accessible_resources": [
    "*"
  ],
  "browser_action": {
    "default_icon": {
      "16": "icons/off/off_16x16.png",
      "32": "icons/off/off_32x32.png",
      "48": "icons/off/off_48x48.png",
      "128": "icons/off/off_128x128.png"
    },
    "default_title": "COMPENSA A TUA PEGADA",
    "default_popup": "popup.html"
  },
  "options_page": "options.html",
  "default_locale": "en",
  "browser_specific_settings": {
    "gecko": {
      "id": "{d1fd3def-b806-46d8-9a92-ddc537688abe}"
    }
  }
}