calc-rem-lang-ref.html (286B)
1 <!doctype html> 2 <meta charset="utf-8"> 3 <title>CSS Test Reference</title> 4 <link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io"> 5 <p>You should see a green box twice-the-initial-font-size wide.</p> 6 <div style="width: 2em; height: 2em; background: green;"></div>