Board Thread:Support Requests - Getting Technical/@comment-3285005-20190813101457/@comment-23989026-20190814115042

Looking in MediaWiki:Infobox.css I notice a coding error
 * color = font/text color
 * background-color = background color

/* default */ .portable-infobox.pi-background { background-color: #FFF; }

/* 1968 */ .portable-infobox.pi-theme-1968 .pi-background { color: #000; }

Help:Infoboxes/CSS