#centro1
{
	background:  url(../img/pag/dondeestamos.gif) no-repeat left top;
}

#centro2
{
	background: url(../img/pag/donde.gif) no-repeat right top;
}

* html div#principal
{
	margin-top: -107px;
	padding-top: 127px;
}

* html div#presentacion
{
	margin: -70px 0px 0px 18px;
	padding: 5px 45px 5px 10px;
	width: 285px;
	height: 100px;
}

iframe
{
	width: 355px;
	height: 300px;
}