| <!DOCTYPE html> |
| <title>Flex painting order with z-index</title> |
| <link rel="author" title="Martin Robinson" href="mailto:mrobinson@igalia.com"> |
| <link rel="help" href="https://drafts.csswg.org/css-flexbox/#painting"> |
| <meta name="assert" |
| content="z-index works on flex items even though they do not have `position: relative`" /> |
| <link rel="match" href="../reference/ref-filled-green-100px-square.xht"> |
| |
| <style> |
| #flex { |
| display: flex; |
| width: 100px; |
| height: 100px; |
| } |
| |
| #flex > div { |
| width: 0px; |
| height: 0px; |
| } |
| #flex > div > div { |
| width: 100px; |
| height: 100px; |
| } |
| </style> |
| |
| <p>Test passes if there is a filled green square and <strong>no red</strong>. |
| </p> |
| |
| <div id="flex"> |
| <div><div style="background: green"></div></div> |
| <div style="z-index: -10"><div style="background: red;"></div></div> |
| </div> |
