Template:Infobox/styles-images.css

/* Template:Pp-template */ @media screen {

 html.skin-theme-clientpref-night .infobox-has-images-with-white-backgrounds img {
     background: white;
 }

}

@media screen and (prefers-color-scheme: dark) {

 html.skin-theme-clientpref-os .infobox-has-images-with-white-backgrounds img {
     background: white;
 }

}