Blitz - WPT: block-in-inline-at-start-with-margin-top-collapses-with-parent.html

wpt / css / CSS2 / box-display / block-in-inline-at-start-with-margin-top-collapses-with-parent.html

/css/CSS2/box-display/block-in-inline-at-start-with-margin-top-collapses-with-parent.html

<!DOCTYPE html>
<title>CSS Test: block-in-inline at parent start with margin-top collapses with parent</title>
<link rel="help" href="https://www.w3.org/TR/CSS21/visuren.html#anonymous-block-level">
<link rel="help" href="https://www.w3.org/TR/CSS21/box.html#collapsing-margins">
<link rel="match" href="block-in-inline-at-start-with-margin-top-collapses-with-parent-ref.html">
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css">
<meta name="assert" content="A block-in-inline's margin-top at the start of its parent collapses with the parent's margin-top and out to its preceding sibling.">
<style>
.prior { width: 100px; height: 20px; background: green; }
.parent { width: 100px; font: 20px/1 Ahem; }
.inner { width: 100px; height: 20px; margin-top: 40px; background: green; }
</style>
<p>Two green squares separated by a 40px gap.</p>
<div class="prior"></div>
<div class="parent">
    <span><div class="inner"></div></span>
</div>

/css/CSS2/box-display/block-in-inline-at-start-with-margin-top-collapses-with-parent-ref.html

<!DOCTYPE html>
<title>CSS Reference</title>
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css">
<style>
.prior { width: 100px; height: 20px; background: green; }
.parent { width: 100px; font: 20px/1 Ahem; }
.inner { width: 100px; height: 20px; margin-top: 40px; background: green; }
</style>
<p>Two green squares separated by a 40px gap.</p>
<div class="prior"></div>
<div class="parent">
    <div class="inner"></div>
</div>