Add author, logo


![nav](https://cloud.githubusercontent.com/assets/2317604/5444617/3f548d54-847a-11e4-81dc-6e12292cfd14.gif)

![footer](https://cloud.githubusercontent.com/assets/2317604/5444618/4263b2ea-847a-11e4-8f26-6af823d7f045.gif)



#design
Do you need this? Am I wrong in thinking that `:hover`, `:focus`, `:active` will add it and if you're not doing those things over `::before`, it'll just remove it?