<!DOCTYPE html>

 <html lang="ja">

  <meta charset="UTF-8">

  <title>CSS Reference File</title>

  <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/">

  <style>
  body
    {
      font-size: 60px;
    }

  ruby
    {
      background: lightblue;
    }
  </style>

  <ruby>あい<rt>べ</rt>&nbsp;<rt>る</rt></ruby>

  <ruby>で<rt>す</rt>い<rt>る</rt></ruby>

  <ruby>私に<rt>誰</rt></ruby>

 </html>
