.estilo1 {
	background-attachment: fixed;
	background-image: url(images/back.jpg);
	background-repeat: no-repeat;
	background-position: center center;
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 12px;
	color: #333333;
	border: none #333333?, OffX=?, OffY=?, Positive=?); 

}