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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /css/CSS2/normal-flow/margin-collapse-min-height-002.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Test: child margin is trapped inside parent when min-height prevents collapse</title>
<link rel="author" title="Alan Baradlay" href="mailto:ABaradlay@apple.com">
<link rel="match" href="margin-collapse-min-height-002-ref.html">
<meta name="assert" content="A zero-height sibling after the child with a large margin should be pushed down inside the parent by that margin, proving the margin is trapped inside.">
<style>
.parent {
min-height: 200px;
width: 100px;
background: green;
position: relative;
}
.child {
height: 30px;
margin-bottom: 100px;
}
.marker {
outline: 3px solid orange;
}
.footer {
width: 100px;
height: 50px;
background: green;
}
</style>
<p>Test passes if there is a green rectangle with an orange line inside it at 130px from the top, and no gap before the second green rectangle.</p>
<div class="parent">
<div class="child"></div>
<div class="marker"></div>
</div>
<div class="footer"></div>