#gl-canvas {
  position: absolute;
  width: 100vw;
  height: 100vh;
}

#fps-div {
  position: absolute;
  color: white;
  z-index: 10;
  left: 50%;
  transform: translate(-50%, 0);
  top: 5px;
  padding: 0 0 0 0;
  margin: 0 0 0 0;
} 

body {
  margin: 0 0 0 0;
  width: 100vw;
  height: 100vh;
  overflow-y: hidden;
}