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CSS filters lack the ability to do per-channel manipulation—a huge drawback. They may be convenient, but CSS filters are merely shortcuts derived from SVG; as such, they provide no control over RGBA channels. SVG (particularly the
feColorMatrixmap) gives us much more power and lets us take CSS filters to the next level. Una Kravets guides us through
feColorMatrixand shows us how we can harness its power to create detailed filters.