html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: #0b1020;
  overflow: hidden;
  overscroll-behavior: none;
}

body {
  display: flex;
  align-items: center;
  justify-content: center;
  position: fixed;
  inset: 0;
}

canvas {
  display: block;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  background: #101a30;
}