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<!DOCTYPE html>
<html class="reftest-wait">
<link rel="author" title="Dominik Röttsches" href="drott@chromium.org">
<link rel="help" href="https://drafts.csswg.org/css-fonts-4/#font-optical-sizing-def"/>
<meta name="assert" content="Ensures that optical size is automatically applied."/>
<link rel="match" href="variable-opsz-ref.html">
<meta charset="utf-8">
<style>
@font-face {
font-family: variabletest_box;
src: url(resources/variabletest_box.ttf);
}
body {
font-family: variabletest_box, sans-serif;
}
</style>
<!-- The variabletest_box font file contains a glyph for letter B which moves a
horizontal bar up from the middle for opsz > 12 and moves it down for opsz >
12 where the opsz axis ranges from 12 to 128. -->
<div style="font-size: 6px;">B</div>
<div style="font-size: 12px;">B</div>
<div style="font-size: 24px;">B</div>
<div style="font-size: 48px;">B</div>
<div style="font-size: 64px;">B</div>
<div style="font-size: 128px;">B</div>
<!-- Explicit value overrides auto. -->
<div style="font-size: 24px; font-variation-settings: 'opsz' 128;">B</div>
<div style="font-size: 48px; font-optical-sizing: none;">B</div>
<script>
document.fonts.ready.then(
() => { document.documentElement.classList.remove("reftest-wait"); });
</script>
</html>
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