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<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Containment Test: Reference file</title>
<link rel="author" title="Vladimir Levin" href="mailto:vmpstr@chromium.org">
<style>
#border {
border: 1px solid black;
width: min-content;
}
fieldset {
visibility: hidden;
height: 1px;
}
</style>
<p>This test passes if it has the same output as the reference. You should see a black border box below.</p>
<div id="border">
<fieldset></fieldset>
</div>