challenge-vtex-io-caina/styles/sass/pages/product/vtex.product-identifier.scss

.product-identifier--productReference {
  .product-identifier__label {
    display: none;
  }

  .product-identifier__separator {
    display: none;
  }

  .product-identifier__value {
    color: rgba(146, 146, 146, 0.48);
  }
}