css/css-multicol/multicol-clip-scrolled-content-001.html

<!DOCTYPE html>
<html>
<meta charset="utf-8">
<title>CSS Test: Multi-column element with scrolled content clipping</title>
<link rel="author" title="Vladimir Levin" href="mailto:vmpstr@chromium.org"/>
<link rel="help" href="http://www.w3.org/TR/css3-multicol/#columns"/>
<link rel="match" href="reference/multicol-clip-scrolled-content-001-ref.html"/>
<style>
#columns {
  column-width: 350px;
}
.spacer {
  height: 200px;
  width: 10px;
}
#outer {
  border: 1px solid black;
  overflow: scroll;
  height: 300px;
  width: 300px;
}
.inner {
  overflow: scroll;
}
.clipped_target {
  overflow: scroll;
  background: red;
  width: 50px;
  height: 50px;
}
</style>

<div class=spacer></div>
<div id=columns>
<div class=spacer></div>
<div id=outer>
  <div class=inner>
    <pre class=clipped_target>
     scrollable
     content
     goes
     here
    </pre>
  </div>
  <div class=spacer></div>
  <div class=spacer></div>
</div>
</div>

<script>
window.onload = () => { outer.scrollTop = 100; };
</script>
</html>