<!doctype html>
<title>CSS Selectors nested invalidation through @media by selectorText</title>
<link rel="author" title="Steinar H. Gunderson" href="mailto:sesse@chromium.org">
<link rel="help" href="https://drafts.csswg.org/css-nesting-1/">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>

<style>
  .b {
    color: red;
  }
  & {
    @media screen {
      &.b { color: green; }
    }
  }
</style>

<div id="elem" class="a b">
  Test passes if color is