.cpf-cnpj-error {
    border-color: #dc3545 !important;
    background-color: #dc3545 !important;
}

.cpf-cnpj-error-msg {
    color: #dc3545;
    font-size: 12px;
    margin-top: 5px;
    display: none;
}

.cpf-cnpj-error-msg.show {
    display: block;
}