#sib-register-form input.field-invalid { border: 2px solid #c62828; outline-color: #c62828; background-color: #fff8f8; }
#sib-register-form input.field-valid { border: 2px solid #198754; outline-color: #198754; }
#sib-register-form .field-feedback { display: block; min-height: 0; margin: -4px 0 12px; font-size: .85rem; line-height: 1.7; }
#sib-register-form .field-feedback.is-error { color: #b42318; }
#sib-register-form .field-feedback.is-valid { color: #167347; }