html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  background: #12060f;
  overflow: hidden;
}

#wrap {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 50% 30%, #2a1030 0%, #12060f 70%);
}

canvas {
  display: block;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
  cursor: pointer;
}