ch-unit-002.html (1213B)
1 <!DOCTYPE html> 2 <meta charset="utf-8"> 3 <title>CSS Values and Units Test: the ch unit in vertical orientation</title> 4 <link rel="author" title="Florian Rivoal" href="http://florian.rivoal.net/"> 5 <link rel="help" href="https://drafts.csswg.org/css-values-3/#font-relative-lengths"> 6 <link rel="help" href="https://www.w3.org/TR/css-writing-modes-3/#block-flow"> 7 <link rel="help" href="https://www.w3.org/TR/css-writing-modes-3/#text-orientation"> 8 <link rel="match" href="reference/ch-unit-002-ref.html"> 9 <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."> 10 <style> 11 span { 12 background: green; 13 color: green; 14 left: 0; right: 0; 15 position: absolute; 16 } 17 div { 18 background: red; 19 color: red; 20 position: relative; 21 height: 5ch; 22 width: 10ch; 23 writing-mode: vertical-rl; 24 text-orientation: upright; 25 } 26 27 div + div { 28 height: auto; 29 } 30 31 div + div span { 32 height: 5ch; 33 } 34 </style> 35 <body> 36 <p>Test passes if there is a <strong>filled green square</strong> and <strong>no red</strong>.</p> 37 <div><span>00000</span></div> 38 <div><span></span>00000</div> 39 </body>