.button-underline{position:relative}.button-underline:after{background-color:var(--capital-ultra-light);bottom:0;content:"";height:1px;left:0;position:absolute;transform:scaleX(1);transform-origin:left;transition:transform .5s cubic-bezier(.19,1,.22,1);width:100%}.button-underline:hover:after{transform:scaleX(0);transform-origin:right}