mediawiki-extensions-Cite/modules/parsoid-styles/ext.cite.style.nod.css

@counter-style nod-counter {
	system: numeric;
	symbols: '᪀' '᪁' '᪂' '᪃' '᪄' '᪅' '᪆' '᪇' '᪈' '᪉';
}

.mw-ref > a[ style~='mw-Ref' ]::after {
	content: '[' counter( mw-Ref, nod-counter ) ']';
}

.mw-ref > a[ style~='mw-Ref' ][ data-mw-group ]::after {
	content: '[' attr( data-mw-group ) ' ' counter( mw-Ref, nod-counter ) ']';
}

span[ rel='mw:referencedBy' ] > a::before {
	content: counter( mw-references, nod-counter ) '.' counter( mw-ref-linkback, nod-counter );
}