vercel.json

{
    "headers": [
      {
        "source": "/(.*)",
        "headers": [
          {
            "key": "X-Content-Type-Options",
            "value": "nosniff"
          },
          {
            "key": "X-Frame-Options",
            "value": "DENY"
          },
          {
            "key": "X-XSS-Protection",
            "value": "1; mode=block"
          },
          {
            "key": "Referrer-Policy",
            "value": "no-referrer"
          },
          {
            "key": "Permissions-policy",
            "value": "accelerometer=(), camera=(), geolocation=(), gyroscope=(), magnetometer=(), microphone=(), payment=(), usb=()"
          },
          {
            "key": "Content-Security-Policy",
            "value": "default-src 'self' https://www.kefo.no https://kefo.no; script-src 'unsafe-inline' 'self'; font-src 'self' https://fonts.gstatic.com/ https://fonts.googleapis.com/; style-src 'unsafe-inline'; style-src-elem 'unsafe-inline' https://www.kefo.no https://fonts.googleapis.com; img-src 'self' https:;"
          }
        ]
      }
    ]
  }