IPLookup: Standardise CSS Styles. Remove Custom CSS

Fix for #1289

![image](https://cloud.githubusercontent.com/assets/5282264/5230448/6ac8b2a6-7761-11e4-99fe-68b05f95d55d.png)
Ah, almost forgot about the "Blacklists"

I think that should be zci__subheader too 
![screen shot 2014-11-28 at 12 30 55 pm](https://cloud.githubusercontent.com/assets/81969/5230832/752efdde-76fa-11e4-8fcb-392d2ab6ca51.png)