host-with-default-namespace-001.html

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<!doctype html>

<meta charset="utf-8">

<title>CSS Test: :host ignores default namespace</title>

<link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io">

<link rel="help" href="https://drafts.csswg.org/css-scoping/#host-element-in-tree">

<link rel="help" href="https://drafts.csswg.org/selectors-4/#featureless">

<link rel="help" href="https://bugzil.la/1546375">

<link rel="match" href="reference/green-box.html">

<p>Test passes if you see a single 100px by 100px green box below.</p>

<div id="host"></div>

<script>

  document.getElementById("host").attachShadow({ mode: "open" }).innerHTML = `

    <style>

      @namespace url(http://www.w3.org/2000/svg);

      :host { background-color: green; width: 100px; height: 100px; }

    </style>

`;

</script>