Танок ліній

<div class="line-dance">
  <span></span><span></span><span></span><span></span><span></span>
</div>

<style>
.line-dance { display:flex; gap:8px; align-items:flex-end; height:64px; }
.line-dance span {
  width:8px; height:32px; border-radius:999px;
  background: linear-gradient(180deg, #5b8def, #9a6bff);
  box-shadow: 0 8px 18px rgba(91, 141, 239, 0.25);
  animation: line-dance 1s ease-in-out infinite;
}
.line-dance span:nth-child(2){animation-delay:.08s;}
.line-dance span:nth-child(3){animation-delay:.16s;}
.line-dance span:nth-child(4){animation-delay:.24s;}
.line-dance span:nth-child(5){animation-delay:.32s;}
@keyframes line-dance {0%,100%{transform:scaleY(.5);opacity:.7;}50%{transform:scaleY(1.2);opacity:1;}}
</style>