/* instead of scrolling behavoir, just always stick to the top */
.nav-fixed-header-container {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    background-color: white; /* ensures no transparency issues */
    border-bottom: 1px solid #111;
    box-shadow: 0 2px 6px rgba(0,0,0,0.4);
}