css/css-ruby/ruby-align-space-around-ref.html

<!DOCTYPE html>
<meta charset="UTF-8">
<title>Tests for ruby-align</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="/fonts/ahem.css">
<link rel="stylesheet" href="support/ruby-common.css">
<style>
  div { width: 160px; box-sizing: border-box; }

  .annotation-test ruby { line-height: 0; }
  .annotation-test rt { font-size: 100%; }
  .annotation-test rb { font-size: 0; }
  .annotation-test rt > div { width: 160px; box-sizing: border-box; }
</style>
<body style="font: 16px/3 Ahem">
<!-- 8px = (width: 160px - 5 * font-size: 16px) /
            (1 + justification opportunities: 4) / 2 -->
<div style="text-align-last: justify; padding: 0 8px">X X X</div>
<div style="text-align-last: justify; padding: 0 8px">X X X</div>

<div class="annotation-test">
<!-- 8px = (width: 160px - 5 * font-size: 16px) /
            (1 + justification opportunities: 4) / 2 -->
<ruby>
  <rb></rb><rt><div style="text-align-last: justify; padding: 0 8px">X X X</div></rt>
</ruby><br>
<ruby>
  <rb></rb><rt><div style="text-align-last: justify; padding: 0 8px">X X X</div></rt>
</ruby>
</div>