Eye candy

Improved preview page by adding some eye candy.

Fixed some small issues also.

![Default view](https://f.cloud.github.com/assets/95592/914701/537fdf56-fe46-11e2-864d-966a33d12d10.png)
![Responsive view for smaller devices](https://f.cloud.github.com/assets/95592/914702/53bccf10-fe46-11e2-843e-84b3ae21aa9e.png)