.help-detail-nav-overlay{display:none}@media(max-width:900px){.help-detail-nav-overlay{position:fixed;z-index:59;display:block;background:rgba(15,23,42,.38);opacity:0;pointer-events:none;transition:opacity .22s ease;inset:0}.help-detail-nav-overlay.is-visible{opacity:1;pointer-events:auto}}