Writing CSS Shorthand
http://www.cssnewbie.com/css-shorthand/

Glazebrook, Rob L.
CSSnewbie
2008

Abstract:

Writing Cascading Style Sheets saves you time and bandwidth in the long run by removing all of the presentational elements and attributes from your web pages and moving them into a separate document. But sometimes that CSS document itself can get pretty long as well. So what do you do then?