@keyframes demo-wave{0%,to{transform:scaleY(.3)}50%{transform:scaleY(1)}}.demo-wave span{transform:scaleY(.3);transform-origin:center}.demo-wave.is-on span{animation:demo-wave .9s ease-in-out infinite}.demo-wave.is-on span:nth-child(2){animation-delay:.15s}.demo-wave.is-on span:nth-child(3){animation-delay:.3s}.demo-wave.is-on span:nth-child(4){animation-delay:.45s}.demo-wave.is-on span:nth-child(5){animation-delay:.6s}@media (prefers-reduced-motion:reduce){.demo-wave.is-on span{animation:none;transform:scaleY(.7)}}