form[data-email-submit] button[aria-busy="true"] {
  cursor: wait;
  opacity: .7;
}

.oc-email-spinner {
  display: inline-block;
  width: 1em;
  height: 1em;
  margin-right: .5em;
  vertical-align: -.125em;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: oc-email-spin .75s linear infinite;
}

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

@media (prefers-reduced-motion: reduce) {
  .oc-email-spinner { animation: none; }
}