previous next contents properties index . Contents . ... 12.5 Automatic counters and numbering . ... 12.6 Markers and lists . ... One familiar example of this is a numbered list; the author does not want to list the numbers explicitly, he or she wants the user agent to generate them automatically. ... When the 'display' property has the value 'marker' for content generated by an element with 'display: list-item', a marker box generated for ':before' replaces the normal list item marker. ...