Article type style updates

![style-1](https://f.cloud.github.com/assets/518943/1237922/1de19ff4-29e0-11e3-9d2f-a1d4f948f026.png)
![style-2](https://f.cloud.github.com/assets/518943/1237923/1edf22d2-29e0-11e3-8703-de417f1c6b22.png)