File: revert-rule-to-var.tentative.html

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<!DOCTYPE html>
<title>CSS Custom Properties: Using revert-rule to revert to a var()</title>
<link rel="help" href="https://drafts.csswg.org/css-variables/#substitute-a-var">
<link rel="help" href="https://github.com/w3c/csswg-drafts/issues/10443">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
  #target {
    --green: green;
    color: var(--green);
  }
  #target {
    color: red;
    color: revert-rule;
  }
</style>
<div id=target>
</div>
<script>
  test((x) => {
    assert_true(CSS.supports('color:revert-rule'));
    assert_equals(getComputedStyle(target).color, 'rgb(0, 128, 0)');
  }, 'Using revert-rule to revert to a value containing var()');

</script>