header{background:#222;display:flex;align-items:center;justify-content:flex-end;padding:0 30px;height:80px;}header nav ul.main-nav{list-style:none;}header nav ul.main-nav li.nav-item{float:left;margin-left:32px;}header nav ul.main-nav li.nav-item a{color:#fdfc47;font-size:20px;position:relative;}header nav ul.main-nav li.nav-item a:after{display:block;height:2px;width:0;content:"";background:#fdfc47;transition:all 250ms ease-in-out;}header nav ul.main-nav li.nav-item a:hover:after,header nav ul.main-nav li.nav-item a.active:after{width:100%;}.splash{min-height:calc(100vh - 144px);background:#fdfc47;background:-webkit-linear-gradient(to bottom right,#24fe41,#fdfc47);background:linear-gradient(to bottom right,#24fe41,#fdfc47);display:flex;align-items:center;justify-content:center;}footer{padding:20px;background:#222;color:#fdfc47;}