html,body{margin:0; padding:0; height:100%; width:100%; overflow:hidden; background:#0a0b0d}
body{touch-action:none}
#space{position:fixed; inset:0; width:100%; height:100%; display:block; cursor:crosshair}
.vignette{
  position:fixed; inset:0; pointer-events:none;
  background:radial-gradient(120% 85% at 50% 8%, rgba(60,138,255,.14), transparent 55%),
             radial-gradient(95% 65% at 85% 92%, rgba(0,0,255,.18), transparent 60%),
             radial-gradient(140% 110% at 50% 50%, transparent 45%, rgba(10,11,13,.72));
}