ch-unit-016.html (990B)
1 <!DOCTYPE html> 2 <meta charset="utf-8"> 3 <title>CSS Values and Units Test: support for the ch unit</title> 4 <link rel="author" title="Cameron McCormack" href="mailto:cam@mcc.id.au"> 5 <link rel="help" href="https://drafts.csswg.org/css-values-3/#font-relative-lengths"> 6 <link rel="match" href="reference/ch-unit-016-ref.html"> 7 <meta name="assert" content="The ch unit is equal to 0em if the zero glyph's advance is 0."> 8 <style> 9 @font-face { 10 font-family: ChTestZeroWidthZero; 11 src: url(resources/ChTestZeroWidthZero.woff); 12 } 13 div { 14 height: 10px; 15 background-color: blue; 16 margin-top: 10px; 17 } 18 .test { 19 width: calc(100px + 5ch); 20 } 21 .ref { 22 width: 100px; 23 } 24 </style> 25 <p>The test passes if there are two blue rectangles of equal length.</p> 26 <!-- The '0' glyph in ChTestZeroWidthZero has a horizontal advance of 27 zero, so ch units should compute to 0em, resulting in the div being 28 100px wide. --> 29 <div class="test" style="font: 20px ChTestZeroWidthZero;"></div> 30 <div class="ref"></div>