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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Incorrect behavior when flex box item grows past container bounds"
href="https://bugs.webkit.org/show_bug.cgi?id=151965">151965</a>
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<th>Summary</th>
<td>Incorrect behavior when flex box item grows past container bounds
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<th>Classification</th>
<td>Unclassified
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<th>Product</th>
<td>WebKit
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<th>Version</th>
<td>WebKit Nightly Build
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<th>Hardware</th>
<td>All
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<th>OS</th>
<td>Mac OS X 10.11
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<th>Status</th>
<td>NEW
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<th>Severity</th>
<td>Normal
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<th>Priority</th>
<td>P2
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<th>Component</th>
<td>Layout and Rendering
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<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
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<th>Reporter</th>
<td>jonlee@apple.com
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<th>CC</th>
<td>dino@apple.com, hyatt@apple.com, simon.fraser@apple.com
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<pre>(After 151957) If a flex box item grows such that the container has to be stretched past its bounds, subsequent flex box items are clipped.
The structure I have is (simplification of animometer structure):
<body>
<main>
<div class="spacer"></div>
<div id="section-container"></div>
<div class="spacer"></div>
</main>
</body>
html,body { height: 100%; }
main {
width: 100%;
height: 100%;
display: flex;
align-items: center;
justify-content: flex-start;
flex-flow: column;
}
.spacer {
flex: 1 0 20px;
width: 10px;
}
If #section-container ends up being taller than the viewport (which is greater than the container bounds), the lower spacer is clipped off. This works in Firefox and Chrome.</pre>
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