.wave-bar{background:#fff;border-radius:999px;width:2px;animation:.8s ease-in-out infinite wave}.wave-bar:nth-child(2){animation-delay:.15s}.wave-bar:nth-child(3){animation-delay:.3s}@keyframes wave{0%,to{transform:scaleY(.5)}50%{transform:scaleY(1.5)}}