.estilo {
	background-image: url(img/back_clientes.jpg);
}
.fondos {
	background-image: url(img/back_clientes.jpg);
	background-position: center top;
}
.fondo {
	background-image: url(img/back_clientes.jpg);
	background-position: 1px 36px;
}
.piepagina {
	background-image: url(img/baja_img.jpg);
}
.menufondo {
	background-image: url(img/bac_boton.jpg);
}