content-visibility is a new property defined in the draft CSS Containment Module Level 2 specification. It has been implemented in Chrome 85, you can read about its glory in content-visibility: the new CSS property that boosts your rendering performance| HTML Accessibility
Understanding the flow of page contents from browser to screenreader caused me to radically rethink accessible markup.| Ben Myers
An accessible name for a HTML element is the piece of information used by Assistive Technologies (AT) to identify the element.| TPGi