html, body {
  position: relative;
  height: 100%;
  margin: 0;
  font-family: sans-serif;
}

#three-canvas {
  position: fixed;
  height: 100%;
  width: 100%;
}

/* loading screen */

#loading-screen {
  position: fixed;
  width: 100%;
  height: 100%;
  background: white;
  z-index: 1000;
}

#loading-msg {
  position: relative;
  top: 50%;
  transform: translateY(-50%);
  text-align: center;
  letter-spacing: 3px;
  font-size: 18px;
  font-weight: 300;
}