html,
body {
  margin: 0;
  padding: 0;
  font-family: monospace;
  font-size: 1.0rem;
  overflow: hidden;
  text-align: center;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}

canvas {
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

.about {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  font-size: 0.75rem;
  color: white;
  opacity: 50%;
  text-align: center;
}