#star-container{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:0;overflow:hidden}.star{position:absolute;background:white;border-radius:50%;opacity:.8;animation:twinkle var(--duration,3s) infinite ease-in-out;will-change:transform,opacity}@keyframes twinkle{0%,to{opacity:.3;transform:scale(.8)}50%{opacity:1;transform:scale(1.2)}}