🏠 New in High Baseline Support: counter-set

June 11, 2026

caniuse · mdn · spec

The counter-set CSS property creates (and optionally sets a value for) a counter, the numbers for a series of headings or ordered list items.

Source features

• css.properties.counter-set [mdn]
• css.properties.counter-set.list-item [mdn]
• css.properties.counter-set.none [mdn]