div#nav, div#content {
  float: left;
}

div#nav {
  width: 200px;
  border-right: 2px solid #999;
  padding-right: 15px;
  text-align: center;
}

div#content {
  padding-left: 15px;
}

h1 {
  color: red;
}

.active {
  font-weight: bold;
}