#site-header{backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);background-color:rgba(3,7,18,.95);box-sizing:border-box;left:0;position:fixed;top:0;width:100%;z-index:1000}#site-header #mobile-menu{background-color:#030712;max-height:calc(100vh - 4rem);overflow-y:auto}