html, body {
  margin: 0;
  padding: 0;
  background-color: #333;
  color: #ccc;
  font-family: Arial, Helvetica, sans-serif;
  height: 100%;
  overflow: hidden;
}
#map, #pano {
    width: 50%;
    height: 100%;
    position: absolute;
    background: #333;
    border: 2px solid #000;
}
#map {
    left: 0;
}
#pano {
    right: 0;
}