Convert "Recess" to "RECESS"

Except when speaking of the "recess" Node package, RECESS should be in all-caps.

CONTRIBUTING.md

@@ -36,7 +36,7 @@ We only accept issues that are bug reports or feature requests. Bugs must be iso
 
 ### CSS
 
-- Adhere to the [Recess CSS property order](http://markdotto.com/2011/11/29/css-property-order/)
+- Adhere to the [RECESS CSS property order](http://markdotto.com/2011/11/29/css-property-order/)
 - Multiple-line approach (one property and value per line)
 - Always a space after a property's colon (.e.g, `display: block;` and not `display:block;`)
 - End all lines with a semi-colon