.fancy-link{text-decoration:none;color:#000;position:relative}.fancy-link::after{content:'';position:absolute;left:0;bottom:0;width:100%;height:2px;background:currentcolor;transform:ScaleX(0);transform-origin:right;transition:transform 250ms ease-in}.fancy-link:hover::after{transform:ScaleX(1);transform-origin:left}