/**
 * These are the styles for the table of rules.  They are here
 * for sharing with lec 15.
 */

#rulestable {
  border-spacing:0 1ex;
  collapse-border: collapse;
}

#rulestable tbody th {
  border-right: 3px solid black;
}

#rulestable>tbody>tr>td {
  border-bottom:1px solid gray;
  border-top:1px solid gray;
  padding: 0 1ex;
}

#rulestable table {
  display:inline;
  padding-right:1ex;
}