multicol-zero-height-003.html (1401B)
1 <!DOCTYPE html> 2 <meta charset="utf-8"> 3 <title>CSS Multi-column Test: Test a block element with box-decoration-break:clone in a zero height multi-column container</title> 4 <link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com"> 5 <link rel="author" title="Mozilla" href="https://www.mozilla.org/"> 6 <link rel="help" href="https://drafts.csswg.org/css-break/#breaking-rules"> 7 <link rel="help" href="https://drafts.csswg.org/css-break/#break-decoration"> 8 <link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1693616"> 9 <link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1754598"> 10 <link rel="match" href="multicol-zero-height-003-ref.html"> 11 <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."> 12 13 <style> 14 .multicol { 15 column-width: 100px; 16 inline-size: 300px; 17 block-size: 0; 18 } 19 20 .child { 21 color: green; 22 inline-size: 100px; 23 block-size: 2px; 24 border: 5px solid green; 25 box-decoration-break: clone; 26 } 27 </style> 28 29 <!-- WARNING: This test hangs Firefox version < 99 without the fix in bug 1754598. --> 30 31 <p>There shouldn't be a green strip in the third column.</p> 32 <div class="multicol"> 33 <div class="child"></div> 34 </div>