.form-control.is-invalid
{
	border : 1px solid #ced4da;
	background-image: url('https://gt.pagadito.com/imagenes/msj_error.png');
}


.form-control.is-valid
{
	border : 1px solid #ced4da;
	background-image: url('https://gt.pagadito.com/imagenes/check_ok.png');
}

.is-invalid ~ .invalid-feedback
{
	display: contents;
}

.invalid-feedback
{
	font-weight: 500;
	font-style: normal;
}