.error {
    color: red;
    font-size: 13px;
    margin-top: 5px;
    display: block;
  }

  input.error-border,
  select.error-border,
  textarea.error-border {
    border: 1px solid red;
  }

  input.success-border,
  select.success-border,
  textarea.success-border {
    border: 1px solid green;
  }