Check out CSS: The Definitive Guide, 4th Edition by by ,. Here is an excerpt:
A note from the editors: We’re pleased to share an excerpt from Chapter 19 (“Filters, Blending, Clipping, and Masking”) of CSS: The Definitive Guide, 4th Edition by Eric Meyer and Estelle Weyl, available now from O’Reilly.
In addition to filtering, CSS offers the ability to determine how…
The full article is available here.