css/css-fonts/font-palette-23b.html

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Tests for font-palette and @font-palette-values: calc() in expressions</title>
<link rel="help" href="https://drafts.csswg.org/css-fonts/#font-palette-prop">
<link rel="help" href="https://drafts.csswg.org/css-fonts-4/#font-palette-values">
<link rel="author" title="Steinar H. Gunderson" href="mailto:sesse@chromium.org">
<link rel="match" href="font-palette-23-ref.html">
<style>
@font-face {
    font-family: "COLR-test-font";
    src: url("resources/COLR-palettes-test-font.ttf") format("truetype");
}

@font-palette-values --MyPalette {
    font-family: "COLR-test-font";
    override-colors: calc(99999) #FF0000, calc(2 + sign(100em - 1px)) #FF00FF;
}
</style>
</head>
<body>
<div id="target" style="font: 48px 'COLR-test-font'; font-palette: --MyPalette;">A</div>
</body>
</html>