Make gear in the ADI logo turn blue if and only if you hover over it.

Hover:
![hover](https://f.cloud.github.com/assets/2433509/2026932/d27a8462-88a4-11e3-866e-dd934d14e3ee.png)

No-hover
![no-hover](https://f.cloud.github.com/assets/2433509/2026933/d27bc94e-88a4-11e3-924b-807062f46dc8.png)