MediaWiki:Gadget-StickyTableHeaders.css

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/* sortable tables and JS enhanced wikitables with thead, works with Safari. This is ideal. */
/* But borders are broken: https://bugs.webkit.org/show_bug.cgi?id=128486 */
.jquery-tablesorter > thead,
.mw-sticky-header > thead {
    position: -webkit-sticky;
    position: sticky;
    top: 0;
}

/* This does not seem to work, possibly due to the absolute/relative hacking mess of timeless */
@media screen and (max-width: 1099px) and (min-width: 851px) {
	.skin-timeless .jquery-tablesorter > thead,
	.skin-timeless .mw-sticky-header > thead {
		top: 3.125em;
	}
}

@media screen and (min-width: 1100px) {
	.skin-timeless .jquery-tablesorter > thead,
	.skin-timeless .mw-sticky-header > thead {
		top: 6em;
	}
}

@media screen and (min-width: 1000px) {
	.skin-vector-2022.vector-sticky-header-visible .jquery-tablesorter > thead,
	.skin-vector-2022.vector-sticky-header-visible .mw-sticky-header > thead {
		top: 3.125rem;
	}
}
.jquery-tablesorter > tfoot,
.mw-sticky-header > tfoot {
    position: -webkit-sticky;
    position: sticky;
    bottom: 0;
}
/* On mobile, where we have tables in overflowable boxes to avoid viewport overflows,
 * by using display:block, sticky never works though :( */