chromium/third_party/blink/web_tests/external/wpt/css/css-ruby/ruby-line-breaking-003-ref.html

<!DOCTYPE html>
<html lang="ja">
<meta charset="UTF-8">
<title>Dynamic break point change in ruby</title>
<link rel="author" title="Xidorn Quan" href="https://www.upsuper.org">
<link rel="author" title="Mozilla" href="https://www.mozilla.org">
<link rel="stylesheet" href="support/ruby-common.css">
<style>
  #test {
    border: 1px solid;
    text-align: center;
    width: 2.5em;
  }
</style>
<div id="test">
  <p>一二三四五六七八</p>
  <p>一二三四五六七八</p>
</div>