| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>CSS Values and Units Test: the ch unit in vertical orientation</title> |
| <link rel="author" title="Florian Rivoal" href="http://florian.rivoal.net/"> |
| <link rel="help" href="https://drafts.csswg.org/css-values-3/#font-relative-lengths"> |
| <link rel="help" href="https://www.w3.org/TR/css-writing-modes-3/#block-flow"> |
| <link rel="help" href="https://www.w3.org/TR/css-writing-modes-3/#text-orientation"> |
| <link rel="match" href="reference/ch-unit-002-ref.html"> |
| <meta name="assert" content="In vertical upright, the ch unit is equal to the used vertical advance measure of the 0 (ZERO, U+0030) glyph found in the font used to render it."> |
| <style> |
| span { |
| background: green; |
| color: green; |
| left: 0; right: 0; |
| position: absolute; |
| } |
| div { |
| background: red; |
| color: red; |
| position: relative; |
| height: 5ch; |
| width: 10ch; |
| writing-mode: vertical-rl; |
| text-orientation: upright; |
| } |
| |
| div + div { |
| height: auto; |
| } |
| |
| div + div span { |
| height: 5ch; |
| } |
| </style> |
| <body> |
| <p>Test passes if there is a <strong>filled green square</strong> and <strong>no red</strong>.</p> |
| <div><span>00000</span></div> |
| <div><span></span>00000</div> |
| </body> |
