Examine source code of Guide de la taxe

{
  "manifest_version": 2,
  "name": "Guide de la taxe",
  "description": "Accédez rapidement au Guide de la taxe depuis votre navigateur.",
  "version": "1.0.1",
  "browser_action": {
    "default_icon": "icon.png",
    "default_popup": "popup.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "tabs",
    "activeTab"
  ]
}