| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>CSS Text level 3 Test: tab-size, word-spacing and letter-spacing</title> |
| <link rel="author" title="Florian Rivoal" href="https://florian.rivoal.net/"> |
| <link rel="help" href="https://drafts.csswg.org/css-text-3/#tab-size-property"> |
| <link rel="help" href="https://drafts.csswg.org/css-text-3/#word-spacing-property"> |
| <link rel="help" href="https://drafts.csswg.org/css-text-3/#letter-spacing-property"> |
| <link rel="match" href="tab-size-spacing-001-ref.html"> |
| <meta name="assert" content="For the tab-size property, a <number> represents the measure as a multiple of the space character’s advance width (U+0020) including its associated letter-spacing and word-spacing"> |
| <style> |
| .test { |
| white-space: pre; |
| tab-size: 8; /* the initial value, but since we're measuring against it, we might as well be sure */ |
| font-family: monospace; /* because the ch unit is based on the size of the 0 character, |
| and we want to measure space characters |
| so they need to be the same size. */ |
| letter-spacing: 2px; |
| word-spacing: 10px; |
| } |
| span { |
| display: inline-block; |
| width: 20px; |
| height: 20px; |
| background: green; |
| } |
| .ref { |
| position: absolute; |
| z-index: -1; |
| width: 20px; |
| height: 20px; |
| background: red; |
| margin-left: calc( 8ch + 8 * 2px + 8 * 10px ); |
| |
| /* this is to avoid antialiasing effects at the edge */ |
| box-sizing: border-box; |
| border: 2px solid white; |
| } |
| </style> |
| |
| <p>Test passes if there is a green square and no red. |
| <div class=ref></div> |
| <div class=test>	<span></span></div> |