I recently came across an interop issue related to how browsers treat zero-height or zero-width boxes in containers with overflow:scroll or overflow:auto. In this test case: http://codepen.io/psalas/pen/dYoevp there are scrollers with various combinations of overflowing zero-height/width divs. In Edge, all of the boxes have scrollbars (zero-height/width boxes count as overflow), but Chrome only has scrollbars in half of them, while Firefox has scrollbars in a few more cases than Chrome. If we add a negative margin-bottom to the "tall zero-width" elements, Chrome and Firefox only show scrollbars in the four cases where the zero-width/height boxes contain non-empty (but not overflowing) content. What should the behavior be in these cases? Thanks, PeterReceived on Tuesday, 8 September 2015 18:21:54 UTC
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