Source code
Revision control
Copy as Markdown
Other Tools
<!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 12 and not beyond.
<div class="clamp">
0<br>
1 2 <span>3</span><br>
<span>4</span> 5 6<br>
7 8 <span>9</span><br>
10 11 12…
</div>