.custom-checkbox .custom-control-input.input-validation-error + .custom-control-label::before {
  border-color: #dc3545;
  box-shadow: 0 0 2px 0.1rem rgba(249, 29, 29, 0.15);
}

.custom-checkbox + span + noscript span.text-danger {
  font-size: 0.8em;
}