| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>CSS Multi-column Test: Test a block element with box-decoration-break:clone in a zero height multi-column container</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://drafts.csswg.org/css-break/#breaking-rules"> |
| <link rel="help" href="https://drafts.csswg.org/css-break/#break-decoration"> |
| <link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1693616"> |
| <link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1754598"> |
| <link rel="match" href="multicol-zero-height-003-ref.html"> |
| <meta name="assert" content="This test verifies that a block element with box-decoration-break:clone can make progress when fragmenting in a zero height multi-column container. Also, it should expend 1px of its content-box per fragment, and therefore should only need to create 2 fragments."> |
| |
| <style> |
| .multicol { |
| column-width: 100px; |
| inline-size: 300px; |
| block-size: 0; |
| } |
| |
| .child { |
| color: green; |
| inline-size: 100px; |
| block-size: 2px; |
| border: 5px solid green; |
| box-decoration-break: clone; |
| } |
| </style> |
| |
| <!-- WARNING: This test hangs Firefox version < 99 without the fix in bug 1754598. --> |
| |
| <p>There shouldn't be a green strip in the third column.</p> |
| <div class="multicol"> |
| <div class="child"></div> |
| </div> |
