@media (max-width: 768px) {
  .button-section, .product-qr-code, .product-image {
    margin-top: 20px;
  }
}

/* Label-Vorschau Styling */
.product-qr-code img.border {
  border: 2px solid #dee2e6 !important;
  border-radius: 4px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}