| <!DOCTYPE html> |
| <title>CSS Overflow Test: Root element's scrollbar-gutter is accounted for when computing hypothetical box in fixed-pos positioning</title> |
| <link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com"> |
| <link rel="author" title="Mozilla" href="https://www.mozilla.org/"> |
| <link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1901652"> |
| <link rel="match" href="scrollbar-gutter-fixedpos-003-ref.html"> |
| <style> |
| :root { |
| scrollbar-gutter: stable both-edges; |
| } |
| body { |
| margin: 0; |
| } |
| .box { |
| width: 100px; |
| height: 100px; |
| } |
| </style> |
| |
| <p>Test passes if there is a filled green square and <strong>no red</strong>.</p> |
| <div class="box" style="position: fixed; background: green"></div> |
| <div class="box" style="background: red"></div> |
