The feedback on blockquote element is a good one. Looks like templates do heavily over-style it, and that we should not use it. Indeed, blockquotes are more used for external persons citations.
In the mean time until Kyle can give more information: If you look at html source, you will see that all CB html is outputed inside a DIV with a class.
You could inspect the blockquote with Firebug (right-clicking on it and inspect with firebug) to see the styling then just use a CSS selector to easily undo that styling: