:root.darkmode {
    filter: invert(1) hue-rotate(.5turn);
}

/* Normal dark-mode image handling */
:root.darkmode :is(img, iframe, video, .adsbygoogle) {
    filter: invert(1) hue-rotate(.5turn);
}

/* Image opacity */
:root.darkmode img:not(:hover) {
    opacity: .7;
    transition: opacity .25s ease-in-out;
}

/* Keep the Zeina banner looking normal */
:root.darkmode #page-header {
    filter: invert(1) hue-rotate(.5turn) !important;
}

/* =========================================
   ZOMBIE APOCALYPSE TOP LOGO FIX
   ========================================= */

/* Undo the image inversion specifically for your logo */
:root.darkmode img.logo {
    filter: none !important;
    opacity: 1 !important;
}