#nav {
  width: 40em;
  height: 2.5em;
  margin: auto;
  text-align: left;
  font-weight: normal;
}

#nav ul {
  margin: 0;
  padding: 0;
  background: white;
}

#nav ul li {
  display: inline;
  height: 2.5em;
  list-style: none;
  margin-left: 10px;
  position: relative;
}

#nav li a, #nav li a:visited {
  color: #060;
  text-decoration: none;
}

#nav li a:hover {
  text-decoration: underline;
}

#nav li ul {
  margin: 0;
  padding: 0;
  display: none;
  position: absolute;
  left: 0;
  top: 1.2em;
  background: white;
  border: solid 2px #990002;
  -moz-border-radius: 7px;
  -webkit-border-radius: 7px;
}

#nav li:hover ul {
  display: block;
  width: 8em;
}

#nav li li {
  list-style: none;
  display: list-item;
}

#nav li:hover ul li ul {
  margin: 0;
  padding: 0;
  display: none;
  position: absolute;
  top: 0;
  left: 7em;
}

#nav li:hover ul li:hover ul {
  display: block;
}