Hi,
I can confirm this with Chromium Version 112.0.5615.49 (Official Build) snap (64-bit). Did not happened in previous versions of Chromium.
Seems Chrome changed how it interpreted a specific existing margin or padding CSS directive. Could be that they improved the way it is interpreted or a bug was introduced in the Chrome CSS parser.
Nothing mentioned in the release notes:
The removals and deprecations page is 404:
https://developer.chrome.com/blog/deps-rems-112/
Haven’t found anything in the Git log:
https://chromium.googlesource.com/chromium/src/+log/111.0.5563.53..112.0.5615.54