Oh, it has loads of issues, aspect-ratio is a gift from on high. Flexbox (and really non-block elements in general) is the least of intrinsic ratios' woes – req

Oh, it has loads of issues, aspect-ratio is a gift from on high. Flexbox (and really non-block elements in general) is the least of intrinsic ratios' woes – requiring a wrapping element is likely the biggest.