html{scroll-behavior:smooth}
body{margin:0}
.nav-link{position:relative;padding:25px 0;color:#171717;transition:.2s}
.nav-link:hover{color:#E01B3D}
.nav-link:after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:#E01B3D;transform:scaleX(0);transition:.2s}
.nav-link:hover:after{transform:scaleX(1)}