CSS selector to get deepest element of specific class in the HTML tree

Question

I\'ve got a a bunch of DIV elements in my HTML, several of which have their class attribute set to \"rowsLayout\". Some of these rowsLayout DIVs can be nested inside one an

Answer 1

Why not use :empty?

JQuery Empty

EDIT: It also works as a CSS Selector:

:empty { background-color: black; }

MORE EDITS:

:last-of-type almost works, but it gets 'a' for some reason. See my fiddle.

http://jsfiddle.net/DUdVR/3/