css/css-overflow/webkit-line-clamp-009.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Overflow: -webkit-line-clamp with non-BFC block children in flex item</title>
<link rel="author" title="Cameron McCormack" href="mailto:cam@mcc.id.au">
<link rel="help" href="https://drafts.csswg.org/css-overflow-3/#webkit-line-clamp">
<link rel="match" href="reference/webkit-line-clamp-009-ref.html">
<meta name="assert" content="-webkit-line-clamp should count lines in non-BFC block children of the flex items.">
<style>
.clamp {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  font: 16px / 32px serif;
  white-space: pre;
  padding: 0 4px;
  background-color: yellow;
  overflow: hidden; /* can be removed once implementations update their old -webkit-line-clamp implementations */
}
.child {
  font: 24px / 48px serif;
  color: blue;
}
</style>
<div class="clamp"><div>Line 1
Line 2<div class="child">Line 3
Line 4</div></div></div>