MediaWiki:Themes.css

.portable-infobox.pi-theme-DS1 .pi-title, .portable-infobox.pi-theme-DS1 .pi-header, .portable-infobox.pi-theme-DS1 .pi-secondary-background, .portable-infobox.pi-theme-DS1 .pi-data-label { background-image: url(//vignette2.wikia.nocookie.net/darksouls/images/0/09/Infoboxbg.png); border: 1px solid black; }

.portable-infobox.pi-theme-DS2 .pi-title, .portable-infobox.pi-theme-DS2 .pi-header, .portable-infobox.pi-theme-DS2 .pi-secondary-background, .portable-infobox.pi-theme-DS2 .pi-data-label { background-image: url(//vignette2.wikia.nocookie.net/darksouls/images/4/47/DaSII-infoboxbg.png); background-position: center; border: 1px solid black; }