Better buttons into popups

Fixed ugly buttons on hover/active state.
Before:
![2013-11-04 00 52 20](https://f.cloud.github.com/assets/683358/1461066/6232277c-448f-11e3-8fd2-c962c04a1eb2.png)
After:
![2013-11-04 00 51 05](https://f.cloud.github.com/assets/683358/1461067/67ce96ac-448f-11e3-91a4-8971d7cc7993.png)