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<!doctype html>
<html lang=en>
  <meta charset=utf-8>
  <title>CSS-contain test: size containment on ruby-text-container</title>
  <link rel="author" title="Florian Rivoal" href="https://florian.rivoal.net">
  <meta name=flags content="">
  <meta name=assert content="size containment does not to apply ruby-text-container, which is an internal ruby element">
  <link rel="match" href="reference/contain-size-004-ref.html">
  <link rel=help href="https://drafts.csswg.org/css-contain-1/#containment-size">
  <link rel=help href="https://drafts.csswg.org/css-display-3/#internal-ruby-element">

<style>
div {
  overflow: hidden;
  position: absolute;
}
rtc {
  contain: size;
  display: ruby-text-container;
  font-size: 1rem;
}
</style>

<p>This test passes if you can see the word PASS below.
<div><ruby><rtc>PASS</rtc></ruby></div>