/* Opt-in sticky header on every screen size. */
.wp-site-blocks > .af-sticky-header {
  position: sticky;
  top: 0;
  z-index: 50;
  flex-shrink: 0;
}
.af-sticky-header .af-site-header { position: relative; top: auto; }
html.af-has-sticky-header {
  scroll-padding-top: calc(var(--af-sticky-header-height, 6rem) + var(--af-sticky-admin-height, 0px) + 1rem);
}
/* WordPress's mobile admin bar scrolls away at 600px and below. */
@media (min-width: 601px) {
  .admin-bar .wp-site-blocks > .af-sticky-header { top: var(--wp-admin--admin-bar--height, 46px); }
}
@media (min-width: 783px) {
  .admin-bar .wp-site-blocks > .af-sticky-header { top: var(--wp-admin--admin-bar--height, 32px); }
}
@media print {
  .wp-site-blocks > .af-sticky-header { position: static; }
}