css/css-contain/contain-paint-019.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Containment Test: Paint containment on table-caption</title>
<link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com">
<link rel="help" href="https://drafts.csswg.org/css-contain-1/#containment-paint">
<link rel="match" href="../reference/nothing.html">
<meta name=assert content="Paint containment does apply to table-caption elements.">
<style>
div {
  display: table-caption;
  contain: paint;
}
span {
  position: absolute;
}
</style>

<p>There should be nothing below.</p>
<div><span>FAIL</span></div>