<!DOCTYPE html>
<!--
     Any copyright is dedicated to the Public Domain.
     http://creativecommons.org/publicdomain/zero/1.0/
--><html><head><title>CSS Test: Test declaring a variable whose value is "revert" where there is no variable to inherit from.</title>
<style>
p {
  color: red;
}
p {
  color: orange;
  --a: revert;
  color: var(--a,green);
}
</style>
</head><body><p>This text must be green.</p>
</body></html>