body {
	margin-left: 0px;
	margin-top: 0px;
	margin-right: 0px;
	margin-bottom: 0px;
	background-image:url(imagenes/fondo_1.jpg);
	background-repeat: no-repeat;
	background-position:top;
}

.fondo {
background-image:url(imagenes/revision.jpg);
background-repeat:no-repeat;

}