We cannot set the `z-index` property to -3.14 using the CSS Typed OM API. We would expect -3 as computed value, however, WebKit was returning 0.
Pull request: https://github.com/WebKit/WebKit/pull/8009
Committed 258265@main (c4ae09ba56fd): <https://commits.webkit.org/258265@main> Reviewed commits have been landed. Closing PR #8009 and removing active labels.
<rdar://problem/103653179>