.product-list.is-loading { position: relative; min-height: 220px; }
.product-list.is-loading > * { opacity: 0.35; pointer-events: none; }
.product-list.is-loading::after {
  content: "";
  position: absolute;
  top: 90px;
  left: 50%;
  width: 40px;
  height: 40px;
  margin-left: -20px;
  border: 3px solid #d7d2cb;
  border-top-color: #466da0;
  border-radius: 50%;
  animation: bb-spin 0.7s linear infinite;
}
@keyframes bb-spin {
  to { transform: rotate(360deg); }
}