@media(max-width:320px){

	.portada-movil{
		height: 330px !important;
	}

}

@media (min-width:321px) and (max-width:399px){

	.portada-movil{
		height: 370px !important;
	}

}

@media (min-width:400px) and (max-width:483px){

	.portada-movil{
		height: 440px !important;
	}

}