No CSS here
This text is visible.
Each box has text that is has a class attached to it. Code blocks are unreadable by the screen reader using the attribute aria-hidden="true"
Press Control+Option+A to start reading the page.
No CSS here
This text is visible.
Visibility hidden
This text is hidden and unreadable. You do not see anything or hear the screen reader.
Display none!
This text is hidden and unreadable. You do not see anything or hear the screen reader.
Positioned, clipped, and (almost) collapsed
This text is positioned, clipped, and (almost) collapsed. It's readable by the screen reader but appears on the screen like display:none
Font size zero!
This text is hidden and readable. It's a wildcard! By setting font-size to 0 pixels, you can't see the text, but whether this text gets read depends on the screen reader. It also may be subjected to search engine penalties and interpreted as malicious. Don't do this!