* { margin: 0; padding: 0; box-sizing: border-box; }
html, body {
  width: 100%; height: 100%;
  overflow: hidden;
  background: #05050f;
  touch-action: none;
  overscroll-behavior: none;
  -webkit-user-select: none;
  user-select: none;
}
#game {
  display: block;
  width: 100vw; height: 100vh;
  cursor: none;
  touch-action: none;
}