.sv-snowflake{position:absolute;top:-10%;color:#fff;font-size:10px;opacity:.8;will-change:transform;filter:drop-shadow(0 0 3px rgba(255,255,255,.7));animation-name:sv-snow-fall,sv-snow-sway;animation-timing-function:linear,ease-in-out;animation-iteration-count:infinite,infinite}