html[data-theme="dark"] {
	--ipuzzler-clue-highlight-color: darkblue;
	--ipuzzler-clue-halflight-color: darkblue;
}

@media (prefers-color-scheme: dark) {
	:root {
		--ipuzzler-clue-highlight-color: darkblue;
		--ipuzzler-clue-halflight-color: darkblue;
	}
}

section.puzzleblock.xmastree {
	--ipuzzler-cell-blank-color: #191970;
	--ipuzzler-cell-block-color: forestgreen;
}