[4703] Minor style fix for user menu

I did a minor fix for the user menu styles, this is the result:

![captura de pantalla 2014-06-29 a la s 15 06 07](https://cloud.githubusercontent.com/assets/340766/3424019/4026bc48-ffb9-11e3-8cfa-301b6e26c0fb.png)


Feel free to merge... or ignore!