#wave{display:flex;align-items:center;justify-content:space-around;width:100%;height:100px;gap:14px;position:absolute;top:300px;z-index:0}.wave-span{border-radius:14px;opacity:.5;background:rgba(96,129,159,.44);display:inline-block;width:16px;min-height:16px;transition:background .1s,height 1s ease-in-out}.wave-span:hover{background:#346fbb}