.unnamed1 {
	background-attachment: fixed;
	background-image: url(Imagenes/pixel_azul.jpg);
	background-repeat:  repeat-y;
	background-position: right center;
}
.unnamed2 {
	background-attachment: fixed;
	background-image: url(Imagenes/pixel_azul02.jpg);
	background-repeat:  repeat-x;
	background-position: center bottom;
}
.unnamed3 {
	background-attachment: fixed;
	background-image: url(Imagenes/andamio_azul02.gif);
	background-repeat: no-repeat;
	background-position: center bottom;
}