.left, .middle, .right {
  border: 1px solid #ddd;
  background: #f9f9f9;
}

#header {
  background: #ddd;
}

#main .middle {
  background: #fff;
}

.left .column-in, .middle .column-in, .right .column-in {
  padding: 1em;
}

a {
  color: #333;
}

a:hover {
  color: #000;
}

.left .column-in #menu ul ul {
  padding-left: 2em;
}

.left .column-in #menu li a:hover {
  text-decoration: underline;
}