This is a page from the Cascading Style Sheets Working Group Blog. Some other places to find information are the “current work” page, the www-style mailing list, the Future of CSS syndicator, and the issue list on Github.
Do you want to know how the CSS WG works? Fantasai has written about:csswg, An Inside View of the CSS Working Group at W3C.
ex
definition to be changed to use the parent’s element font size if set on font-size
(just like em
) Rationale: Avoid infinite loops in the spec. 🙂0.5em
fallback in CSS3 Values for when ex height cannot be found.