Better Hint Style

Hi,
I found the orange color a little aggressive, so I made some changes to the style to create something more smooth. I hope you like it :)

New:
![Captura de tela de 2013-02-13 11:40:30](https://f.cloud.github.com/assets/677051/152950/018328de-75e3-11e2-8805-a99ac70d7f85.png)
Old:
![Captura de tela de 2013-02-13 10:30:28](https://f.cloud.github.com/assets/677051/152830/09d32686-75db-11e2-84e3-26855f0cc048.png)