.snowflake{position:fixed;top:-10px;width:6px;height:6px;background:rgb(255 255 255 / .9);border-radius:50%;pointer-events:none;z-index:9999;opacity:.9;filter:blur(1px);animation:fall linear infinite}@keyframes fall{0%{transform:translate3d(0,-10vh,0);opacity:0}20%{opacity:1}50%{transform:translate3d(var(--drift),50vh,0)}100%{transform:translate3d(calc(var(--drift) * -1),110vh,0);opacity:.4}}