.medio_central_a {
	position: relative;
	float: left;
	width: 585px;
	border-top-width: 1px;
	border-right-width: 1px;
	border-left-width: 1px;
	border-top-style: solid;
	border-right-style: solid;
	border-left-style: solid;
	border-top-color: #D9DCE1;
	border-right-color: #D9DCE1;
	border-left-color: #D9DCE1;
	background-color: #FFFFFF;
	padding: 15px;
	text-align: left;
}
.medio_central_b {
	position: relative;
	height: 12px;
	width: 617px;
	border-right-width: 1px;
	border-left-width: 1px;
	border-right-color: #D9DCE1;
	border-left-color: #D9DCE1;
	background-image: url(../imagenes/fondos/tablamedio_baja_larga.png);
	background-repeat: no-repeat;
	float: left;
}