Why Do Pseudo-elements (:before, :after) Behave Differently with `` Elements Compared to Other Elements?

Pseudo Elements and Image Elements

When attempting to utilize pseudo elements (:before and :after) in conjunction with image elements (,unexpected behaviors may arise. Despite the desired effect not being achieved with img elements, the same technique works seamlessly with div or span elements. Why is this the case?

According to the CSS specification:

"Note. This specification does not fully define the interaction of ::before and ::after with replaced elements (such as IMG in HTML). This will be defined in more detail in a future specification."

This implies that the behavior of pseudo elements with img elements is currently undefined in the standard. Therefore, their functionality with img elements may vary across browsers and is subject to change in future CSS specifications.

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