populr-themes/editorial — pull request #1 by tanvirgeek (2013-12-12 09:39:32+00:00)
Title: Line-height

I changed the em unit too, reading this article,
http://meyerweb.com/eric/thoughts/2006/02/08/unitless-line-heights/
If line height is declared in em, then child element's inherited line
height unit is turned into pixels. Which is evil.