.nav-link{display:inline-block;position:relative}.nav-link:after{content:"";transform-origin:100%;background:currentColor;width:100%;height:2px;transition:transform .5s ease-out;position:absolute;bottom:-8px;left:0;transform:scaleX(0)}.nav-link:hover:after{transform-origin:0;transform:scaleX(1)}.nav-link.active:after{transform:scaleX(1)}.nav-link.active:hover:after{transform-origin:0}.nav-link.active:hover{color:#d62b50}.signin-btn{z-index:1;background:0 0;border:none;font-weight:600;position:relative;overflow:hidden}.signin-btn:before{content:"";opacity:0;width:100%;height:100%;transition:all .5s;position:absolute;top:0;left:0;transform:scaleX(2)}.signin-btn:after{content:"";opacity:0;z-index:-1;background-color:#000;border-radius:.5rem;width:100%;height:100%;transition:all .5s;position:absolute;top:0;left:0;transform:scaleX(0)}.signin-btn:hover{color:#fff}.signin-btn:hover:before,.signin-btn:hover:after{opacity:1;transform:scaleX(1)}