wpt/css/css-overflow/line-clamp/line-clamp-023.tentative.html at master · web-platform-tests/wpt · GitHub

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<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Overflow: when clamping by lines, collapsed margins are respected</title>
<link rel="author" title="Andreu Botella" href="mailto:abotella@igalia.com">
<link rel="help" href="https://drafts.csswg.org/css-overflow-4/#line-clamp">
<link rel="match" href="reference/line-clamp-023-ref.html">
<meta name="assert" content="When line-clamp is used with a number of lines, the box and its clamped children should be sized taking margin collapsing into account.">
<style>
.clamp {
  line-clamp: 4;
  font: 16px / 32px serif;
  padding: 4px;
  background-color: yellow;
  border: 2px solid black;
}
.inner {
  background-color: orange;
  margin: 4px;
  /* There is no border, so the margins of the .inner boxes will collapse */
}
.inner .inner {
  white-space: pre;
}
</style>
<div class="clamp"><div class="inner"><div class="inner">Line 1
Line 2
Line 3
Line 4
Line 5
Line 6</div></div></div>
<p>Following content.</p>