<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Reference File</title>
<link rel="author" title="Bert Bos" href="mailto:bert@w3.org">

<style>
 p {font-size: larger}
 p, em {border: medium solid}
</style>

<p>This line is all <span>in one font</span> size
<em></em> and there is no red.
