| <!DOCTYPE html> | |
| <title>Negative item margins</title> | |
| <link rel="author" title="David Grogan" href="mailto:[email protected]" /> | |
| <link rel="help" href="https://drafts.csswg.org/css-flexbox/#resolve-flexible-lengths" /> | |
| <p>Test passes if it doesn't crash.</p> | |
| <div style="display: flex; flex-flow: column;"> | |
| <div style="margin: -10px;"></div> | |
| </div> |