<!DOCTYPE html>
<html lang="ja">
<meta charset="UTF-8">
<title>Justification with ruby span</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>
  div {
    ruby-position: under;
    width: 300px; height: 100px;
    text-align-last: justify;
    overflow: auto;
    text-decoration: underline;
  }
</style>
<div><rb>仮</rb><rb>名</rb><rt>が</rt><rt>な</rt></div>