Template:Infobox in Portable Infobox/styles.css

.infobox-in-di {
	border: none !important;
	background: inherit !important;
	box-shadow: none !important;
	font-size: inherit !important;
	margin-bottom: 0 !important;
	float: unset !important;
	width: 100% !important;
	padding: inherit !important;
}

.infobox-in-di .infobox-header {
	font-size: var(--font-size-medium);
	font-weight: var(--font-weight-semibold);
	line-height: var(--line-height-sm);
}