Created attachment 468741 [details] Incorrect background sizing It looks like at the time we compute the FillLayer size, we don't yet have the computed line-height value and we fallback to the primary font size (we believe the line-height value is normal).
<rdar://problem/118983248>
*** Bug 267185 has been marked as a duplicate of this bug. ***
Pull request: https://github.com/WebKit/WebKit/pull/22476
Submitted web-platform-tests pull request: https://github.com/web-platform-tests/wpt/pull/43873