Adjust CSS for ul in pod

This attempts to address issue #648.

* increase margin/padding on left side to indent the ul
* Reduce vertical whitespace on paragraphs in uls

![Screenshot of new implementation](https://dl.dropboxusercontent.com/s/njkbigb30tx6sgz/Screen%20Shot%202013-08-21%20at%2010.20.21%20AM.png)