Tɛmplet:Databox/styles.css

html.skin-theme-clientpref-night .mw-valign-baseline.noviewer .mw-file-element {
	filter: invert(1);
}

@media (prefers-color-scheme: dark) {
	html.skin-theme-clientpref-os .mw-valign-baseline.noviewer .mw-file-element {
		filter: invert(1);
	}
}