.wave-effect:after{aspect-ratio:1;background-image:linear-gradient(0deg,#07217d,#02b8bb);border-radius:999px;bottom:0;content:"";height:auto;left:50%;position:absolute;transform:translate(-50%,100%);transform-origin:center bottom;transition:all .6s;width:14px;z-index:0}.wave-effect:hover:after{height:auto;transform:translate(-50%,10%);width:200%}