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<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Text level 3 Test reference</title>
<style>
div {
font-family: monospace;
width: 20px;
height: 20px;
background: green;
margin-left: calc( 8ch + 8 * 2px + 8 * 10px );
}
</style>
<p>Test passes if there is a green square and no red.
<div></div>