@media screen and (max-width: 767px) {
  .mobile-hide {
    display: none !important;
  }
}

@media screen and (min-width: 768px) {
  .desktop-hide {
    display: none !important;
  }
}

.product-container .product-testimonial.desktop-hide {
  padding: 20px;
  margin-top: 20px;
}