3rd party login buttons display issue

When rendered using certain languages (French, German), the Google, Facebook and Twitter login buttons overflow (see screenshot). The buttons should at least allow for wrapping.

![screen shot 2013-05-11 at 10 38 37](https://f.cloud.github.com/assets/109850/491710/51f19e06-ba51-11e2-8850-47cb5335e1b4.png)