.megamenu-nav{transition:transform .4s ease,opacity .4s ease,box-shadow .3s ease}.header-is-invisible{opacity:0;transform:translateY(-100%)}.is-on-top{box-shadow:0 4px 10px rgba(0,0,0,.1);left:0;opacity:1;position:fixed;right:0;top:0;transform:translateY(0)}.fake-header{min-height:0;width:100%}.is-on-top .megamenu,.is-on-top .simple-menu{box-shadow:0 4px 10px rgba(0,0,0,.1)}