Change font size for blog title

Q: How do you change the Font Size and Condition (Bold, Ital, etc.) of your Blog Title and Description? 

A: Please go to layout>>font and colours.
In the small window, scroll down and change one item at a time (blog title font, blog description font...)
Save changes.

source: http://www.google.com/support/forum/p/blogger/thread?tid=5a31d17cfac31455&hl=en&fid=5a31d17cfac31455000476ca747e7de7