Examine source code of Vinted Order Highlighter

{
  "manifest_version": 2,
  "name": "Vinted Order Status Highlighter",
  "version": "2.0",
  "description": "Automatically changes the background color of Vinted order items based on their status on the 'my_orders' page.",
  "icons": {
    "48": "icons/icon.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.vinted.fr/my_orders*",
        "*://*.vinted.com/my_orders*",
        "*://*.vinted.de/my_orders*",
        "*://*.vinted.es/my_orders*",
        "*://*.vinted.it/my_orders*",
        "*://*.vinted.nl/my_orders*",
        "*://*.vinted.be/my_orders*",
        "*://*.vinted.pl/my_orders*",
        "*://*.vinted.pt/my_orders*",
        "*://*.vinted.co.uk/my_orders*",
        "*://*.vinted.cz/my_orders*",
        "*://*.vinted.sk/my_orders*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "vinted-order-highlighter@chihabeddine.com"
    }
  },
  "permissions": [
    "*://*.vinted.fr/*",
    "*://*.vinted.com/*",
    "*://*.vinted.de/*",
    "*://*.vinted.es/*",
    "*://*.vinted.it/*",
    "*://*.vinted.nl/*",
    "*://*.vinted.be/*",
    "*://*.vinted.pl/*",
    "*://*.vinted.pt/*",
    "*://*.vinted.co.uk/*",
    "*://*.vinted.cz/*",
    "*://*.vinted.sk/*"
  ]
}