| <!DOCTYPE html> | |
| <meta charset="UTF-8"> | |
| <title>Absolutely-positioned element in ruby base container</title> | |
| <link rel="author" title="Xidorn Quan" href="https://www.upsuper.org"> | |
| <link rel="help" href="https://drafts.csswg.org/css-ruby-1/#formatting-context"> | |
| <link rel="match" href="abs-in-ruby-base-ref.html"> | |
| <link rel="stylesheet" href="/fonts/ahem.css"> | |
| <link rel="stylesheet" href="support/ruby-common.css"> | |
| <style> | |
| .rel { position: relative; } | |
| .abs { position: absolute; left: 0; top: -1em; } | |
| </style> | |
| <body style="font: 50px/3 Ahem"> | |
| X<ruby><rbc class="rel"><rb><span class="abs">X</span></rb></rbc></ruby> |