<!--
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     http://creativecommons.org/publicdomain/zero/1.0/
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<!DOCTYPE html>
<title>CSS Test: Test declaring a number of variables in a chain, where the final element of the chain uses its fallback.</title>
<link rel="author" title="Cameron McCormack" href="mailto:cam@mcc.id.au">
<link rel="help" href="http://www.w3.org/TR/css-variables-1/#cycles">
<link rel="match" href="support/color-green-ref.html">
<style>
body {
  color: green;
}
p {
  color: crimson;
  --a: var(--b,red);
  --b: var(--c);
  --c: var(--d);
  --d: var(--e);
  --e: var(--a);
  --f: var(--e);
  color: var(--f);
}
</style>
<p>This text must be green.</p>