12.4.3 Counters in elements with 'display: none'

Chapter 12 - Generated content, automatic numbering, and lists - 12.4.3 Counters in elements with 'display: none'

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counters-hidden-000
Counter properties on 'content: none' pseudo-elements
counters-hidden-001
Counter properties on 'display: none' elements
counters-hidden-002
Counter properties on 'visibility: hidden' elements