.spinner {
  margin: 2rem auto;
  width: 56px;
  height: 56px;
  border: 4px solid rgba(255, 255, 255, 0.12);
  border-top-color: var(--accent-purple);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}

.spinner[hidden] {
  display: none;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}