#site_header[data-sticky-header="1"]{position:sticky;top:0;z-index:1030;transition:box-shadow .25s ease,background-color .25s ease}body:has(.scroll_progress_header) #site_header[data-sticky-header="1"]{top:3px}#site_header[data-sticky-header="1"].header-scrolled{box-shadow:0 2px 16px rgba(0,0,0,.15);background-color:rgba(255,255,255,.97)}