html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: black;
  font-family: Arial, sans-serif;
  color: white;
}

canvas {
  width: 100vw;
  height: 100vh;
  display: block;
}

.overlay {
  position: absolute;
  left: 30px;
  bottom: 30px;
  z-index: 10;
}

.overlay h1 {
  margin: 0;
  font-size: 2.4rem;
  letter-spacing: 3px;
}

.overlay p {
  margin: 6px 0;
  opacity: 0.85;
}

.overlay small {
  opacity: 0.6;
}