Note: Only Firefox supports the font-size-adjust property.

Two divs using the same font-size-adjust property:

You control the font size better with the font-size-adjust property.
You control the font size better with the font-size-adjust property.

The same two divs without the font-size-adjust property:

You control the font size better with the font-size-adjust property.
You control the font size better with the font-size-adjust property.