An example from http://www.alistapart.com/

<h1>A LIST apart: For People Who Make Websites </h1>
<h2>No. 242</h2>
<h3>July  31, 2007</h3>
<h4>Better Writing Through Design</h4>
<h5>by  Bronwyn Jones</h5>
<p>How is it that the very foundation of the web, written text, has 
  taken a strategic back seat to design? 
  Bronwyn Jones argues that great web design is not 
  possible without the design of words.
 </p>

A LIST apart: For People Who Make Websites

No. 242

July 31, 2007

Better Writing Through Design

by Bronwyn Jones

How is it that the very foundation of the web, written text, has taken a strategic back seat to design? Bronwyn Jones argues that great web design is not possible without the design of words.

But styling need not be just concerned with font-size