egonSchiele/HandsomeSoup — pull request #14 by TrevorSSmith1392 (2013-08-23 00:10:04+00:00)
Title: Add nth-child selector

Works in the same capacity that "first-child" does, in that it can't be used anywhere but as the root search.
ie.
css "p:first-child"
not
css "body p:first-child"

Syntax is intuitive, though.
css "p:nth-child(12)"