.gscp-form button[type="submit"]:disabled {
  position: relative;
  cursor: default;
}

.gscp-form button[type="submit"].valid:disabled {
  color: transparent;
}

.gscp-form button[type="submit"].valid:disabled::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  margin: auto;
  border: 4px solid transparent;
  border-top-color: inherit;
  border-radius: 50%;
  animation: gscp-loading-spinner 1s ease infinite;
}

@keyframes gscp-loading-spinner {
  from {
    transform: rotate(0turn);
  }

  to {
    transform: rotate(1turn);
  }
}