MediaWiki:Common.css

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/* CSS placed here will be applied to all skins */

/* Invert colors for a specific image in dark mode */
@media (prefers-color-scheme: dark) {
    img[src*="File:1111111111111111111.png"] {
        filter: invert(1);
        background-color: #000; /* Optional: prevent light background halo */
    }
}