html,
body,
#cesiumContainer {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background-color: #000000;
}
button {
  font-family: "Roboto", "-apple-system", "Helvetica Neue", Helvetica, Arial, sans-serif;
  background-color: white;
  color: #1F879C;
  border-color: #1F879C;
  border-radius: 3px;
  padding: 4px 8px;
  margin: 10px 0px 0px 10px;
  z-index: 999;
  position: fixed;
  cursor: pointer;
}
button.stopped:after
{
  content: '\25B6\0020 Fly Through';
}
button.playing
{
  background-color: #1F879C;
  color: white;
}
button.playing:after
{
  content: '\25FC\0020 Fly Through';
}