| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <title>CSS Reference</title> | |
| <style> | |
| .clamp { | |
| font-size: 16px / 16px serif; | |
| white-space: pre-wrap; | |
| background-color: yellow; | |
| padding-bottom: 1em; | |
| } | |
| ruby.under { | |
| ruby-position: under; | |
| } | |
| </style> | |
| <div class="clamp">Line 1 | |
| Line 2 | |
| <ruby class="under">Line 3<rt>ruby</ruby>…</div> |