#ikaikaki-cart-loading-spinner {
  display: none;
  margin: 10px 0;
  text-align: center;
}
#ikaikaki-cart-loading-spinner .spinner {
  border: 4px solid #f3f3f3;
  border-top: 4px solid #3498db;
  border-radius: 50%;
  width: 32px;
  height: 32px;
  animation: spin 1s linear infinite;
  display: inline-block;
}
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}