body {
  position: absolute;
  display: flex;

  align-items: center;
  justify-content: center;
  
  margin: 0px;
  
  width: 100vw;
  height: 100vh;
  
  background-color: #000000;

  font-family: monospace;
}

canvas {
  position: absolute;
}

div {
  position: absolute;
}