.div-form-brochure {
	opacity: 0;
	-webkit-transition: all 1s ease-in-out;
	-moz-transition: all 1s ease-in-out;
	-ms-transition: all 1s ease-in-out;
	-o-transition: all 1s ease-in-out;
	transition: all 1s ease-in-out;
}
#error-nombre, #error-telefono, #error-email {
	display: none;
}