The Cascading Style Sheets (CSS) Working Group and the SVG Working Group invite implementation of the Candidate Recommendation of CSS Masking Module Level 1.
CSS Masking provides two means for partially or fully hiding portions
of visual elements: masking and clipping. Masking describes how to use
another graphical element or image as a luminance or alpha mask.
Clipping describes the visible region of visual elements. The region can
be described by using certain SVG graphics elements or basic shapes.
Anything outside of this region is not rendered. CSS is a language for
describing the rendering of structured documents (such as HTML and XML)
on screen, on paper, in speech, etc. Learn more about the Style Activity and the Graphics Activity.
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