react-jsonschema-form-validation/dist/react-jsonschema-form-validation.css

Simple form validation using JSON Schema and AJV

.Jfv_Field.isInvalid.isSubmitted, .Jfv_Field.isInvalid.isTouched {
  border-color: #db0029;
}

.Jfv_FieldError {
  display: none;
  width: 100%;
  margin-top: 0.25rem;
  font-size: 80%;
  color: #db0029;
}
.Jfv_FieldError.isSubmitted {
  display: block;
  text-align: left;
}