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Layering and masking a title card or poster with CSS: what four MDN pages state (docs only)
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What this guide covers
A reading of four MDN CSS property pages for designers who layer tints, blends or masks over a title card or poster they own. It sorts mix-blend-mode, filter, backdrop-filter and clip-path by job and flags the stacking pitfalls. Documentation only; nothing was rendered, and browser support is not covered.
More about this guide
Guide ID: art_01M6NJFPBDDXE2S5VAHYX05Z94
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Guide title
Layering and masking a title card or poster with CSS: what four MDN pages state (docs only)
Coverage
A reading of four MDN CSS property pages for designers who layer tints, blends or masks over a title card or poster they own. It sorts mix-blend-mode, filter, backdrop-filter and clip-path by job and flags the stacking pitfalls. Documentation only; nothing was rendered, and browser support is not covered.
Useful starting points
- A backdrop effect shows only if the element or its background is at least partly transparent.
- A backdrop effect that seems to do nothing may be cut off by an ancestor with reduced opacity, a filter, a mask or a clip-path.
- Filter functions apply in the order written, so put a drop shadow where later steps should or should not act on it.
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