Spacing The Bottom of Modules

Ah the humble module! A good many designs these days make use of modules in the content-y and app-y sites alike. A chunk of information, an advertisement, a grouped set of functionality... could be anything. The fact that they likely have visual similarity yet can contain anything leads to an interesting CSS challenge: how do you pad the inside consistently?

Here's a simple example where the module is set apart from the background through color differences:

http://css-tricks.com/spacing-the-bottom-of-modules/