Blitz - WPT: margin-collapse-min-height-002.html

wpt / css / CSS2 / normal-flow / margin-collapse-min-height-002.html

/css/CSS2/normal-flow/margin-collapse-min-height-002.html

<!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="help" href="https://www.w3.org/TR/CSS22/box.html#collapsing-margins">
<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>

/css/CSS2/normal-flow/margin-collapse-min-height-002-ref.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Reference</title>
<style>
.parent {
    width: 100px;
    height: 200px;
    background: green;
    position: relative;
}
.marker {
    position: absolute;
    top: 130px;
    left: 0;
    right: 0;
    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="marker"></div>
</div>
<div class="footer"></div>