Habbo Avatar Clone, Effect without Avatar

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "Habbo Avatar Clone, Effect without Avatar",
  "version": "1.0.3",
  "description": "Habbo Avatar Clone, Effect without Avatar",
  "permissions": [
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://www.habbo.com/*",
        "https://www.habbo.com.br/*",
        "https://www.habbo.com.tr/*",
        "https://www.habbo.fi/*",
        "https://www.habbo.nl/*",
        "https://www.habbo.es/*",
        "https://www.habbo.de/*",
        "https://www.habbo.it/*",
        "https://www.habbo.fr/*"
      ],
      "js": [
        "contentScript.js"
      ],
      "css": [
        "style.css"
      ],
      "run_at": "document_end"
    }
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self';"
  }
}