3 This is a test of dynamic rem unit scaling. Changes to the root element's font size need to cause dependent elements in the document tree
5 <div style="font-size:10px">
6 This text should be small.
7 <div style="font-size:1rem">
8 This text should match the root (and be 24px).
12 document.body.offsetWidth;
13 document.documentElement.style.fontSize = '24px';