Thanks for mentioning UnicodeMath. That does seems like a better fallback solution than raw MathML. It appears there's a newer version of the document you linke

Thanks for mentioning UnicodeMath. That does seems like a better fallback solution than raw MathML. It appears there's a newer version of the document you linked to that was posted on HN, by the way: https://news.ycombinator.com/item?id=14687936 https://news.ycombinator.com/item?id=14687936 I'll also look more closely at CSS Grid.