.estilo {
	font-family: Georgia, "Times New Roman", Times, serif;
	font-size: 11px;
	color: #999999;
}
<style type="text/css">
<!--

#Layer1 {
	position:absolute;
	left:295px;
	top:-1px;
	width:780px;
	height:665px;
	z-index:1;
}
body {
	background-color: #FFFFFF;
}
.Estilo1 {
	font-size: 11px;
	color: #999999;
	font-family: Georgia, "Times New Roman", Times, serif;
}


#Layer1 {
	position:absolute;
	left:50%;
	
	width:1680px;
	height:870px;
	
	margin-left: -840px;
	z-index:1;
	background-color: #FFFFFF;
}
#Layer2 {
	position:absolute;
	left:50%;
	
	width:900px;
	height:850px;
	
	margin-left: -450px;
	z-index:2;
	
}