# overlay The markup of every demo on , extracted from that page. It is generated, so it cannot disagree with what the page renders. Load the framework from the origin and read first: a Kuiper class carries no prefix and a UIkit behavior attribute carries `data-`. ## overlay Varies: `overlay-*` over 3 color roles. ```html
overlay-black
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overlay-gray
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overlay-white
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``` ## usage Varies: 6 specimens. ```html

overlay-black-75

overlay-gray-50

overlay-white-75

```