.menu a{text-transform:uppercase;text-decoration:none;display:block;position:relative;padding:4px 0}.menu a:before{content:"";width:100%;height:4px;position:absolute;left:0;bottom:0;background:#fff;transition:transform .5s ease;transform:scaleX(0);transform-origin:0 50%}.menu a:hover:before{transform:scaleX(1)}.menu-3 a:before{transform-origin:50% 50%;background:#ff6e54}