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<link rel="author" title="Sammy Gill" href="mailto:sammy.gill@apple.com">
<link rel="help" href="https://drafts.csswg.org/css-box-4/#margin-trim-block">
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<body>
<p>Test passes if there is a filled green square.</p>
<div style="inline-size:100px; block-size: 100px; background-color: green;"></div>
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