.drop{background:-moz-linear-gradient(top,#0d343a 0,hsla(0,0%,100%,.5) 100%);width:1px;height:89px;position:absolute;bottom:800px;-webkit-animation:fall .63s linear infinite;-moz-animation:fall .63s linear infinite}@keyframes fall{to{margin-top:1200px}}@keyframes fall-bg{0%{transform:translateY(-100%);opacity:0}50%{opacity:1}to{transform:translateY(0);opacity:1}}.falling{animation:fall 4.5s linear 4.5s 1}@keyframes rotate3D{0%{transform:perspective(800px) rotateY(0deg) scaleZ(1)}50%{transform:perspective(1800px) rotateY(180deg) scaleZ(1.3)}to{transform:perspective(800px) rotateY(1turn) scaleZ(1)}}