MediaWiki:Common.css

/* Light Theme Styles */
body:not(.dark-theme) .infobox {
    background-color: #ffffff;
    color: #000000;
    border: 1px solid #ddd;
}

body:not(.dark-theme) .infobox th {
    background-color: #f4f4f4;
    color: #000000;
}

body:not(.dark-theme) .infobox td {
    background-color: #f9f9f9;
}

/* Dark Theme Styles */
body.dark-theme .infobox {
    background-color: #2e2e2e;
    color: #ffffff;
    border: 1px solid #444;
}

body.dark-theme .infobox th {
    background-color: #444;
    color: #ffffff;
}

body.dark-theme .infobox td {
    background-color: #3a3a3a;
}