Case in point: https://codepen.io/Westbrook/pen/mybzoLQ

I'd expect ALL OF THE `<span>`s to be positioned relative to the document. HOWEVER, only the one with `content-visibility: auto;` (even resolve to `visible` like it is) resets the containing block.

🤷‍♂️

#CSSQuestions

#CSSQuestions #CSSAnchorPositioning #confused

I should be able to make https://codepen.io/Westbrook/pen/wvLBwLP look like https://codepen.io/Westbrook/pen/QWXwWWx even though the earlier uses `position: fixed` and the later does not, right? :thinkhappy: