#nav-small .plan {
  display: none;
}

#instructions, #plan {
  float:left;
  position:relative;
  width:500px;
  height:100%;
}

#main {
  height:500px;
}

#map {
  width:450px;
  height: 450px;
  position:absolute;
  top: 25px;
  left: 25px;
}