<CSS>

div.dokuwiki :is(h2,h3,h4,h5).page-header {
    position: sticky;
    top: calc(80px - 30px);
    background: var(--background-color-panel);
    margin: 30px -26px !important;
    padding: 8px 24px 16px 24px !important;
    min-height: calc(25px + 34px) !important;
    border-bottom-width: 1px !important;
}

</CSS>