New tab and headline list style (most-read)

This applies new visual style to tabs.

### Mobile
![Mobile screenshot](https://f.cloud.github.com/assets/80089/1251643/91e27ee8-2b32-11e3-8d1b-6e143a2838f1.png)

### Tablet >
![Tablet screenshot](https://f.cloud.github.com/assets/80089/1251644/97ca0dda-2b32-11e3-949d-33543d79774e.png)