#header{transition:all .3s ease-in}#header.fixed{z-index:2;color:#000;background-color:#fff;width:100%;transition:all .3s ease-in;position:fixed;top:0;left:0}#header ul,#footer ul{text-align:center;padding-bottom:15px;list-style:none}#header ul li,#footer ul li{display:inline-block}#header li a.nav-active{color:#1f2ed1}