Set Theme's Paragraph Spacing in Style Sheet

Howdy,

Trying to reduce the paragraph spacing on this site. Not sure what to tweak in the style sheet.

You can see on these pages that the space after the paragraphs is a bit too large:

http://alchemisteating.com/alchemist-eating/
http://alchemisteating.com/beets-the-new-viagra/

Cheers,
Casper