td { empty-cells: show;  }

#map { margin-bottom: 30px }

#map table { width: 100% }

#map table td { width: 99%; padding: 4px; background: #f3f3f3; border-bottom: 1px solid white; border-right: 1px solid white }
#map table td.map_key { width: 1%; white-space: nowrap; font-weight: xold; background: #DAF0FD }