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<!DOCTYPE html>
<title>Custom property values from the root element</title>
<link rel="author" title="Stephen Chenney" href="mailto:schenney@chromium.org">
<link rel="help" href="https://drafts.csswg.org/css-pseudo-4/#highlight-cascade">
<link rel="match" href="highlight-cascade-008-ref.html">
<meta name="assert" value="This test verifies that when a custom property is not found in highlight cascade, its value is taken from the root element.">
<meta name="fuzzy" content="0-255;0-10">
<script src="support/selections.js"></script>
<style>
:root {
--background-color: green;
--decoration-color: purple;
}
::selection {
--decoration-color: yellow;
}
div::selection {
background-color: var(--background-color, red);
text-decoration-line: underline;
text-decoration-style: line;
text-decoration-color: var(--decoration-color, red);
}
span::selection {
--background-color: blue;
background-color: var(--background-color, red);
}
</style>
<div style="width: 300px">PASS if background-color is green when selected, <span>except this which is blue</span>, and underline is yellow.</div>
<script>
selectNodeContents(document.querySelector("div"));
</script>
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