.bckground {
	background-attachment: scroll;
	background-image: url(../www_img/bg_www.gif);
	background-repeat:  repeat-x;
	background-position: center top;
}
.contenido1 {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 11px;
	color: #999999;
}
.min {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 9px;
	color: #FFFFFF;
}
.titulos1 {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 11px;
	color: #FF8935;
}
.boton { 
	font-family: Verdana, sans-serif; 
	font-size: 10px; 
	color: #ffffff; 
	border: 1px #ffffff solid; 
	background-color: #FF8935; 
	font-weight: bold;
	width: 130px;
}
.fondo_tablas_norepeat {
	background-attachment: scroll;
	background-image: url((URL));
	background-repeat: no-repeat;
	background-position: top;
}
.caja_principal{
	border:1px solid #CCCCCC;
	border-collapse:collapse;
}
.caja_principal2{
	border:1px solid #990000;
	border-collapse:collapse;
}