.snow-falling{position:relative}.snowflake{position:absolute;background-color:#fff;border-radius:50%;opacity:.8;pointer-events:none}@-webkit-keyframes fall{0%{opacity:0;-webkit-transform:translateY(0);transform:translateY(0)}10%{opacity:1}to{opacity:.5;-webkit-transform:translateY(100vh);transform:translateY(100vh)}}@keyframes fall{0%{opacity:0;-webkit-transform:translateY(0);transform:translateY(0)}10%{opacity:1}to{opacity:.5;-webkit-transform:translateY(100vh);transform:translateY(100vh)}}@-webkit-keyframes diagonal-fall{0%{opacity:0;-webkit-transform:translate(0,0);transform:translate(0)}10%{opacity:1}to{opacity:.25;-webkit-transform:translate(10vw,100vh);transform:translate(10vw,100vh)}}@keyframes diagonal-fall{0%{opacity:0;-webkit-transform:translate(0,0);transform:translate(0)}10%{opacity:1}to{opacity:.25;-webkit-transform:translate(10vw,100vh);transform:translate(10vw,100vh)}}