@keyframes line-scale-pulse-out-rapid { 0% { transform: scaley(1); } 80% { transform: scaley(0.3); } 90% { transform: scaley(1); } } .line-scale-pulse-out-rapid > div { background-color: #6B6F82; width: 4px; height: 3.45rem; border-radius: 2px; margin: 2px; animation-fill-mode: both; display: inline-block; vertical-align: middle; animation: line-scale-pulse-out-rapid 0.9s -0.5s infinite cubic-bezier(0.11, 0.49, 0.38, 0.78); } .line-scale-pulse-out-rapid > div:nth-child(2), .line-scale-pulse-out-rapid > div:nth-child(4) { animation-delay: -0.25s !important; } .line-scale-pulse-out-rapid > div:nth-child(1), .line-scale-pulse-out-rapid > div:nth-child(5) { animation-delay: 0s !important; }