Examine source code of marmitonPrint

{
  "manifest_version": 2,
  "name": "marmitonPrint",
  "version": "1.2",
  "description": "permet d'imprimer une recette Marmiton simplement avec les données essentielles",
  "homepage_url": "https://github.com/ox223252/marmitonPrint.git",
  "icons": {
    "96": "icons/mPrint.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.marmiton.org/*"
      ],
      "js": [
        "marmitonPrint.js"
      ],
      "css": [
        "marmitonPrint.css"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{c96466f9-dc1b-4281-b424-7c565ae3f11b}"
    }
  }
}