<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Overflow: Reference Overflow recalc after font-size change</title>
<link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com">
<style>
#scroller {
  height: 200px;
  overflow: scroll;
}
#wrapper {
  margin-top: 100px;
  width: 200px;
  height: 200px;
  background: green;
}
</style>
<p>Test passes if there is <strong>no red</strong>.</p>
<div id="scroller">
  <div id="wrapper"></div>
</div>