File: host-descendant-003.html

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<!doctype html>
<meta charset="utf-8">
<title>:host combined with :not</title>
<link rel="help" href="https://drafts.csswg.org/selectors/#featureless">
<link rel="match" href="/css/reference/ref-filled-green-100px-square-only.html">
<style>
my-host {
  display: block;
  width: 100px;
  height: 100px;
  background: red;
}
</style>
<p>Test passes if there is a filled green square.</p>
<my-host id="host"></my-host>
<script>
  host.attachShadow({mode: "open"}).innerHTML = `
    <style>
      :host > div {
        background-color: red;
        width: 100%;
        height: 100%;
      }
      :host > :not(span) {
        background-color: green;
      }
    </style>
    <div></div>
  `;

</script>