body {
	font-family:Verdana, Arial, Helvetica, sans-serif; 
	font-size:0.8em;
	height:100%; 
	background-image:url(../img/fondos_2.jpg);
	background-position:top;
	background-repeat:no-repeat;
	padding:0; 
	margin:0px;
	background-color:#000000;
}
#logo {
	position:absolute;
	left:150px;
	top:50px;
	width:443px;
	height:71px;
	z-index:1;
}
#ventana {
	position:relative;
	text-align:center;
}
#sect_firma{
	position:absolute;
	left: 742px;
	top: 643px;
	height: 30px;
	width: 159px;
	text-align:right;
}