body {
  margin: 0;
  overflow: hidden;
  font-family: 'Segoe UI', sans-serif;
  background-color: #000;
  color: white;
}
#overlay {
  position: absolute;
  top: 30%;
  width: 100%;
  text-align: center;
  z-index: 10;
}
#overlay h1 {
  font-size: 3em;
  margin: 0;
}
#overlay p {
  font-size: 1.2em;
  color: #ccc;
}
canvas {
  display: block;
}