body {
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  background-color: #f0f0f0;
}

#WebGL-output {
  position: relative;
}

.point {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 10px;
  height: 10px;
  background-color: rgba(255, 255, 255, 0.65);
  border-radius: 50%;
}