html,
body {
  margin: 0;
  height: 100%;
}

#canvas {
  width: 100%;
  height: 100%;
  display: block;
}

#loading {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

#loading .progress {
  margin: 1.5em;
  border: 1px solid white;
  width: 50vw;
}

#loading .progressbar {
  margin: 2px;
  background: white;
  height: 1em;
  transform-origin: top left;
  transform: scaleX(0);
}

#playButton {
  z-index: 1000;
  position: absolute;
  /* bottom: 50vh; */
  padding: 12px 6px;
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.1);
  color: rgb(255, 255, 255);
  font: 13px sans-serif;
  text-align: center;
  /* left: calc(50% - 75px); */
  /* width: 150px; */
  width: 100%;
  height: 100%;
}

.hidden {
  display: none;
}