.balls{width:3.5em;display:flex;flex-flow:row nowrap;align-items:center;justify-content:space-between}.balls div{width:.8em;height:.8em;border-radius:50%;background-color:#124e4a;transform:translateY(-100%);animation:wave .8s ease-in-out infinite alternate}.balls div:first-of-type{animation-delay:-.4s}.balls div:nth-of-type(2){animation-delay:-.2s}@keyframes wave{0%{transform:translateY(-100%)}to{transform:translateY(100%)}}