Optimized the site for better mobile viewing

Before:
![screenshot 102](https://cloud.githubusercontent.com/assets/8397274/4261435/2ba2858a-3b6f-11e4-826d-3cb1cb905723.png)
![screenshot 107](https://cloud.githubusercontent.com/assets/8397274/4261449/6f57b818-3b6f-11e4-8a80-d1c151c6b229.png)
![screenshot 108](https://cloud.githubusercontent.com/assets/8397274/4261450/71418d34-3b6f-11e4-81cb-3f6dbafe0c9e.png)

After optimizing:
![screenshot 101](https://cloud.githubusercontent.com/assets/8397274/4261453/8eb86338-3b6f-11e4-9278-a3606474dd44.png)
![screenshot 105](https://cloud.githubusercontent.com/assets/8397274/4261454/93a76286-3b6f-11e4-9910-875e5d164855.png)
![screenshot 106](https://cloud.githubusercontent.com/assets/8397274/4261455/96923caa-3b6f-11e4-8e6c-eb2fd7f0a932.png)

Site optimized for mobile viewing... :+1: