:host {
  display: inline-block;
  width: 14px;
  aspect-ratio: 1/1;
  border: 3px solid var(--ism-spinner-color, #eee);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}