body {
  overflow: hidden;
  width: 100%;
  height: 100%;
  margin: 0;
}

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

#display {
  position: fixed;
  left: 42%;
  top: 45%;
  font-size: 6em;
}

#title {
  padding: 0.2em;
  background: rgba(255, 255, 255, 0.5);
  display: block;
  text-align: center;
  font-size: 12px;
}