Increased the link area for next page / previous page links.

Also I have put the first CSS util in to make css/html refactoring easier - along the line of the SuitCSS approaches.

### from this
![screen shot 2014-12-07 at 11 16 42](https://cloud.githubusercontent.com/assets/2903904/5330781/f0846b26-7e03-11e4-8f66-52dacd685a30.png)

### to this
![updated](https://cloud.githubusercontent.com/assets/2903904/5330780/ec9ebe26-7e03-11e4-9cf5-7ea4a5874e4a.png)