body{position:relative}body:before{content:"";position:fixed;top:0;left:0;width:100%;height:100%;z-index:9999;pointer-events:none;background-image:url(https://www.barkmedia.de/wp-content/uploads/schneeflocke_b.png),url(https://www.barkmedia.de/wp-content/uploads/schneeflocke_c.png),url(https://www.barkmedia.de/wp-content/uploads/schneeflocke_a.png);background-size:150px,100px,50px;background-repeat:repeat;animation:schneefall 15s linear infinite}@keyframes schneefall{0%{background-position:0 0,0 0,0 0}100%{background-position:0 100vh,200px 100vh,-200px 100vh}}