*{margin:0;padding:0;box-sizing:border-box}
html,body{
  width:100%;height:100%;overflow:hidden;
  background:#0a0a1a;
  font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  touch-action:none;
  user-select:none;
  -webkit-user-select:none;
  -webkit-touch-callout:none;
  -webkit-tap-highlight-color:transparent;
}
canvas{
  display:block;
  width:100%;height:100%;
  position:absolute;top:0;left:0;
}