body{
	background:#fff;
	color:#000;
	font:normal 13px/18px Arial, Helvetica, sans-serif;
	margin:0;
	padding:0;
	}
.borde_cabecera {
	border-top: 1px none #999999;
	border-right: 1px solid #999999;
	border-bottom: 1px solid #999999;
	border-left: 1px solid #999999;
}.borde_abajodecabecera {
	border-top-width: 1px;
	border-right-width: 1px;
	border-bottom-width: 1px;
	border-left-width: 1px;
	border-top-style: none;
	border-right-style: none;
	border-bottom-style: solid;
	border-left-style: none;
	border-top-color: #999999;
	border-right-color: #999999;
	border-bottom-color: #999999;
	border-left-color: #999999;
}