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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /css/css-flexbox/intrinsic-size/col-negative-margin-hidden-grid-item-001.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<link rel="author" title="Nico Burns" href="mailto:nico@nicoburns.com">
<link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
<meta name="assert"
content="a negative block-axis margin on a flex item is subtracted from a column flex container's automatic block size even when the item contains a grid item with overflow hidden" />
<style>
#reference-overlapped-red {
position: absolute;
background-color: red;
width: 100px;
height: 100px;
z-index: -1;
}
</style>
<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
<div id=reference-overlapped-red></div>
<div style="display: flex; flex-direction: column; width: 100px; background: green;">
<div style="display: flex; flex-direction: column; margin-top: -32px;">
<div style="display: grid; grid-template-columns: 100px;">
<div style="display: flex; flex-direction: column; overflow: hidden;">
<div style="width: 100px; height: 132px;"></div>
</div>
</div>
</div>
</div>