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<!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>
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