.snowflakes{height:100%;left:0;pointer-events:none;position:fixed;top:0;width:100%;z-index:9999}.snowflake{animation:fall linear infinite;background:#fff;border-radius:50%;height:10px;opacity:0;position:absolute;width:10px}@keyframes fall{0%{opacity:0;transform:translateY(-100vh)}50%{opacity:1}to{opacity:0;transform:translateY(100vh)}}@media (max-width:767px){.snowflake{height:5px;opacity:.6;width:5px}}