.wrapper{position:relative;overflow:hidden}.wrapper div{z-index:2}.wrapper span{z-index:1;background-color:#18191f;width:50px;height:50px;animation:10s linear infinite animate;position:absolute;bottom:-100px;box-shadow:0 0 50px #0072ff,0 0 100px #0072ff,0 0 150px #0072ff,0 0 200px #0072ff}.wrapper span:first-child{animation-delay:.6s;left:60px}.wrapper span:nth-child(2){width:60px;height:60px;animation-delay:3s;left:10%}.wrapper span:nth-child(3){animation-delay:2s;left:20%}.wrapper span:nth-child(4){width:80px;height:80px;animation-delay:5s;left:30%}.wrapper span:nth-child(5){animation-delay:1s;left:40%}.wrapper span:nth-child(6){animation-delay:7s;left:50%}.wrapper span:nth-child(7){width:100px;height:100px;animation-delay:6s;left:60%}.wrapper span:nth-child(8){animation-delay:8ms;left:70%}.wrapper span:nth-child(9){width:90px;height:90px;animation-delay:6s;left:80%}.wrapper span:nth-child(10){animation-delay:4s;left:90%}@keyframes animate{0%{opercity:1;transform:translateY(0)}80%{opacity:.7}to{opacity:0;transform:translateY(-800px)rotate(360deg)}}