Shadow under transparent element?

Question

css

If you make the element transparent and move the shadow under the element, it will not be visible:

But if the shadow falls from another element, it is visible under the transparent block:

How can you make the shadow under the transparent element visible without using an additional element?

Answer 1

No way.
https://drafts.csswg.org/css-backgrounds-3/#shadow...
PS as the "other" element, you can try using :before/:after pseudo-elements .