I think a recent update to the oxygen.css broke my site. I got it fixed and found the culprit.
The new CSS update added a comment section and a bunch of stuff below it. The section is “Custom HTML tag support” and an example of the tag that broke my layout was:
:is(tr, div._important), :-webkit-any(tr, div._important)
I got it fixed by setting my “display:grid !important” as an override in my custom css file. But still… a lot of those :is() statements look dangerous to me. Has the Oxygen team heard any problems in this respect? Are those statements really needed? I mean, talk about a global issue, setting every