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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /css/css-break/grid/grid-lanes/column-multi-lane-fragmentation-019.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<title>Multi-lane column grid-lanes fragmentation with multiple levels of dense packing</title>
<link rel="author" title="Alison Maher" href="mailto:almaher@microsoft.com">
<link rel="match" href="../../../reference/ref-filled-green-100px-square.xht">
<style>
.multicol {
background: red;
column-count: 2;
column-fill: auto;
column-gap: 0;
height: 100px;
width: 100px;
}
.grid-lanes {
display: grid-lanes;
flow-tolerance: 0;
grid-auto-flow: dense;
grid-lanes-pack: dense;
grid-template-columns: repeat(4, 12.5px);
width: 50px;
}
.tall-item {
grid-column: 2;
height: 100px;
}
.short-item {
grid-column: 3;
height: 40px;
}
.parent-spanner {
grid-column: 1 / span 4;
height: 100px;
}
.packed-spanner {
grid-column: 3 / span 2;
height: 60px;
}
.parent-packed-item {
grid-column: 1;
height: 100px;
}
.spanner-packed-item {
grid-column: 4;
height: 40px;
}
.grid-lanes > div {
background: green;
}
</style>
<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
<div class="multicol">
<div class="grid-lanes">
<div class="tall-item"></div>
<div class="short-item"></div>
<div class="parent-spanner"></div>
<div class="packed-spanner"></div>
<div class="parent-packed-item"></div>
<div class="spanner-packed-item"></div>
</div>
</div>