shadow-link-rel-stylesheet-no-style-leak.html

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This WPT test may be referenced by the following Test IDs:
- /css/css-scoping/shadow-link-rel-stylesheet-no-style-leak.html - WPT Dashboard Interop Dashboard

<!doctype html>

<title>CSS Test: &lt;link rel="stylesheet"&gt; in Shadow DOM doesn't affect the normal DOM</title>

<link rel="help" href="https://html.spec.whatwg.org/#link-type-stylesheet">

<link rel="help" href="https://drafts.csswg.org/css-scoping/#selectors-data-model">

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

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

<style>

  #light-dom {

    width: 100px;

    height: 100px;

    background: green;

    color: green;

</style>

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

<div id="light-dom"></div>

<script>

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

    <link rel="stylesheet" href="data:text/css,div { background: red !important }">

`;

</script>