.main table, .main  {
  line-height: 1.5em;
}

.main th,
.main td {
  border-right: 1px solid #ddd;
  border-bottom: 1px solid #bbb;
  padding: 0.5em;
}

.main a {
  text-decoration: none;
  color: blue;
  font-weight: bold;
}

.main a:hover {
  text-decoration: underline;
}

.main > div {
  background: white;
  margin: auto;
}

.main table {
  background: white;
}

#Title {
  background: #333;
  color: #ddd;
  padding: 1em;
}

.main tr {
  vertical-align: top;
}

.primary {
  width: 100%;
}

.primary table {
  width: 100%;
  border: none;
}

.primary table td {
  border: none;
}

.center {
  background: #def;
  text-align: center;
}

.main colgroup {
  width: 25%;
}

.instructions tr > *:nth-child(1) {
  width: 32%;
  border-right: 1px solid black;
}

.green {
  color: green;
  font-size: 200%;
}

.red {
  font-size: 150%;
}