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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /css/css-break/flexbox/multi-line-column-flex-fragmentation-032.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<title>
Multi-line column flex fragmentation with forced break and negative margin.
</title>
<link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
<style>
.multicol {
column-count: 5;
column-fill: auto;
column-gap: 0px;
height: 100px;
width: 100px;
position: relative;
background: red;
z-index: -1;
}
#flex {
display: flex;
flex-direction: column;
flex-wrap: wrap;
height: 500px;
position: relative;
}
#flex > div {
background: green;
width: 10px;
}
</style>
<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
<div class="multicol">
<div id="flex">
<div style="height: 150px;"></div>
<div style="height: 350px; break-before: column; margin-top: -50px;"></div>
<div style="height: 150px;"></div>
<div style="height: 300px; break-before: column;"></div>
</div>
<div style="position: absolute; top: 50px; left: 20px; width: 20px; height: 50px; background: green;"></div>
<div style="position: absolute; top: -50px; left: 40px; width: 10px; height: 50px; background: white;"></div>
</div>