td.tl
{
  width:5px;
  height:6px;
  background-image:url('../img/marco/tl.png');
}

td.t
{
  height:6px;
  background-image:url('../img/marco/t.png');
}

td.tr
{
  width:5px;
  height:6px;
  background-image:url('../img/marco/tr.png');
}

td.l
{
  width:5px;
  background-image:url('../img/marco/l.png');
}

td.r
{
  width:5px;
  background-image:url('../img/marco/r.png');
}

td.bl
{
  width:5px;
  height:11px;
  background-image:url('../img/marco/bl.png');
}

td.b
{
  height:11px;
  background-image:url('../img/marco/b.png');
}

td.br
{
  width:5px;
  height:11px;
  background-image:url('../img/marco/br.png');
}