.fondo {
	BACKGROUND-POSITION: center center; BACKGROUND-IMAGE: url(../images/linea.gif); BACKGROUND-REPEAT: no-repeat
}
.fondov {
	BACKGROUND-POSITION: center top; BACKGROUND-IMAGE: url(../images/linea_v.gif); BACKGROUND-REPEAT: no-repeat
}
.fondocelda {
	BACKGROUND-POSITION: center center; BACKGROUND-IMAGE: url(../images/as.gif); BACKGROUND-REPEAT: no-repeat
}