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<!doctype html>
<meta charset="utf-8">
<title>Verifying that :host works as a selector at all</title>
<link rel="help" href="https://drafts.csswg.org/selectors-4/#featureless">
<link rel="match" href="/css/reference/ref-filled-green-100px-square-only.html">
<!-- All these tests use a shadow host as the featureless element,
so we need to make sure that the impl actually supports the
necessary functionality. -->
<p>Test passes if there is a filled green square.</p>
<div class=host>
<template shadowrootmode="open">
<style>
div {
width: 100px;
height: 50px;
}
.red { background-color: red; }
.green { background-color: green; }
:host div.red {
/* Make sure :host matches the host element... */
background-color: green;
}
div > div.green {
/* And make sure *other* selectors *don't* match it. */
background-color: red;
}
</style>
<div class=red></div>
<div class=green></div>
<slot></slot>
</template>
<section></section>
</div>