@keyframes barAnimation{0%{transform:scaleY(.6)}50%{transform:scaleY(1)}to{transform:scaleY(.6)}}[id^=bar-]{transform-origin:bottom;animation-name:barAnimation;animation-duration:2.2s;animation-timing-function:ease-in-out;animation-iteration-count:infinite}#bar-1{animation-delay:0s}#bar-2{animation-delay:.2s}#bar-3{animation-delay:.4s}#bar-4{animation-delay:.6s}#bar-5{animation-delay:.8s}