Is it possible to style anonymous flex items explicitly?

Question

I\'m in the early stages of grasping the basic flexbox concepts. The Using CSS Flexible Boxes article at MDN states (emphasis mine):

Each child of a f

Answer 1

No, it isn't possible.

The W3C Candidate Recommendation says:

Note also that the anonymous item’s box is unstyleable, since there is no element to assign style rules to. Its contents will however inherit styles (such as font settings) from the flex container.