body {
	background-image: url(fondo.jpg);
	background-attachment: fixed;
	background-repeat: no-repeat;
	background-position: center center;
}
.aviso {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 10px;
	color: #006699;
	text-align: justify;
	padding-right: 20px;
	padding-left: 20px;
}