| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>CSS Compositing and Blending: The isolation property</title> |
| <link rel="author" title="Oriol Brufau" href="mailto:[email protected]"> |
| <link rel="help" href="https://www.w3.org/TR/compositing-1/#isolation"> |
| <link rel="match" href="../../reference/ref-filled-green-100px-square.xht"> |
| <meta name="assert" content="For CSS, setting `isolation` to `isolate` will turn the element into a stacking context."> |
| |
| <style> |
| #parent { |
| width: 100px; |
| height: 100px; |
| isolation: isolate; |
| background: red; |
| } |
| #child { |
| width: 100px; |
| height: 100px; |
| position: relative; |
| z-index: -1; |
| background: green; |
| } |
| </style> |
| |
| <p>Test passes if there is a filled green square and <strong>no red</strong>.</p> |
| <div id="parent"> |
| <div id="child"></div> |
| </div> |
