.imgfondo1 {
	background-image: linear-gradient(
			0deg,
			rgba(0, 0, 0, 0.6),
			rgba(0, 0, 0, 0.6)
		),
		url("img/Imagen\ I.jpg");
	background-size: cover;
	background-repeat: no-repeat;
	background-position: 35% 0%;
}

@media (min-width: 850px) {
	.imgfondo1 {
		background-image: linear-gradient(
				0deg,
				rgba(0, 0, 0, 0.6),
				rgba(0, 0, 0, 0.6)
			),
			url("img/Imagen\ I.jpg");
		background-size: cover;
		background-repeat: no-repeat;
		background-position: 45% 0%;
	}
}