style.css

body { margin:0; padding:0; }
#title {
  height: 20px;
  padding: 0px 5px 10px;
  font-family: Arial, sans-serif;
}

#map { position: absolute; top:45px; bottom:0; right:0; left:0; }
.info {
  padding: 6px 8px;
  font: 14px/16px Arial, Helvetica, sans-serif;
  background: white;
  background: rgba(255,255,255,0.8);
  box-shadow: 0 0 15px rgba(0,0,0,0.2);
  border-radius: 5px;
}
.info h4 {
  margin: 0 0 5px;
  color: #777;
}
.legend {
  text-align: left;
  line-height: 18px;
  color: #555;
}
.legend i {
  width: 18px;
  height: 18px;
  float: left;
  margin-right: 8px;
  opacity: 0.7;
}

.sidebar {
  background-color: white;
  padding: 15px 10px;
  border-radius: 2px;
  /* height: 100%; */
  overflow-y: scroll;
  font-size: 13px;
  height: 400px;
}

.sidebar h3 {
  margin: 0;
  padding: 0;
}

.sidebar h4 {
  margin: 0 0 0 15px;
  padding: 0;
  font-weight: normal;
  cursor: pointer;
  text-decoration: underline;
}

.sidebar h4:hover {
  opacity: 0.8;
}

#toggle-sidebar {
  position: relative;
  float: right;
  background-color: #ddd;
  border-radius: 100%;
  padding: 3px 6px;
  cursor: pointer;
  color: #555;
  rotate: 45deg;
}

#toggle-sidebar:hover {
  opacity: 0.8;
}