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<!DOCTYPE html>
<html>
<meta charset="utf-8">
<title>CSS Overflow: test reference</title>
<style>
.clamp {
font-family: monospace;
line-height: 1;
}
span { font-size: 2em; }
</style>
<p>Test passes if you see numbers up to 8 (and no further) below.
<div class="clamp">
0<br>
1 2 <span>3</span> <span>4</span><br>
5 6 7 8…
</div>