html,
body {
  margin: 0;
  height: 100%;
  background: #05070d;
  color: #eef7ff;
  font-family: Inter, system-ui, -apple-system, Segoe UI, sans-serif;
  overflow: hidden;
}

body {
  display: grid;
  place-items: center;
}

canvas {
  width: min(100vw, 800px);
  height: min(75vw, 600px, 100vh);
  max-width: 800px;
  max-height: 600px;
  display: block;
  background: #05070d;
  touch-action: none;
}