/* Button appearance while a submission is in flight. The custom button classes
   carry their own colours, so a plain [disabled] would otherwise look active. */
form.rg-submitting button[disabled],
form.rg-submitting input[type="submit"][disabled],
form.rg-submitting input[type="image"][disabled] {
  opacity: 0.65;
  cursor: not-allowed;
  pointer-events: none;
}