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<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Containment Test: Reference file</title>
<link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com">
<style>
div {
display: inline-flex;
border: 5px solid green;
color: transparent;
width: 0;
height: 0;
font-size: 2em;
}
</style>
<p>This test passes if it has the same output as the reference. You see the word "before", a 10px green square at the top, and then the word "after".</p>
before<div>f</div>after