html, body {
  background: black;
  margin: 0;
  padding: 0;
  position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%); 
}
canvas {
  display: block;
}

h1{
  margin-top: 100px;
  text-align: center;
  color: white;
    font-family: "Lucida Console", "Courier New", monospace;
text-shadow: rgb(0, 247, 0) 0 -4px;
}