Quote:
Originally Posted by theducks
If the header text-size is your issue: 
Stylesheet:
h3.chapter {text-size: 115%}
Usage:
<h3 class="chapter"> Looks about the same as H2</h3> |
It's font-size, and it only looks the same if h2 uses the same number
To avoid surprises, it's always better not to trust defaults and set the important things yourself, in this case at least: font-size, margin, text-align, font-weight.