body {
  background-color: black;
}

canvas {
  position: absolute;
  opacity: 0.5;
  top: 0;
  left: 0;
}

.logo {
  position: absolute;
  margin: 0;
  padding: 0;
  text-align: center;
  top: 50%;
  left: 50%;
  transform: translate3d(-50%, -50%, 0);
}