MediaWiki:Themes.css

.pi-theme-nimbus .pi-title { background-color: #00acc1 !important; border-top-left-radius:2px !important; border-top-right-radius:2px !important; color: #ffffff !important; padding:15px !important; }

.pi-theme-nimbus .pi-header { background-color: #00acc1 !important; color: #ffffff !important; padding: 15px !important; }

.portable-infobox.pi-theme-nimbus { background-color: #ffffff !important; border: 1px solid #ECECEC !important; }

.pi-theme-nimbus .pi-data:not(:last-of-type), .pi-group { border-bottom: 0.5px solid #ECECEC !important; }