* { margin:0; padding:0; box-sizing:border-box; }
html, body {
  width:100%; height:100%;
  background:#0b0b0d;
  overflow:hidden;
  overscroll-behavior:none;
  -webkit-user-select:none; user-select:none;
  -webkit-touch-callout:none;
  -webkit-tap-highlight-color:transparent;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}
body { position:fixed; inset:0; touch-action:none; }
#game {
  display:block;
  width:100%; height:100%;
  touch-action:none;
  outline:none;
  background:#0b0b0d;
}