table.nav {
  border: solid 1px blue;
  color: black;
  background-color: #ddddff;
}

td.nav { border-right: solid 5px #aaaaff; border-left: solid 5px #aaaaff; padding-left: 8px; padding-right: 8px; }
td.plain {}

a:visited {color: black; }
a:link {color: black;}