canvas{position:fixed;top:0;right:0;width:100vw;height:100vh}#date-display{position:fixed;top:1.5rem;left:1.5rem;padding:.5rem .75rem;color:#fff;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;font-size:1rem;background:#0000008c;border-radius:.5rem;pointer-events:none;letter-spacing:.02em}