Fix my Website

My website is tntrg.com. I want it fixed:
1. Homepage doesnt have header
2. I want social media buttons on the header and footer - I will provide the links:
Links:
FB - https://www.facebook.com/TruNorth-Technology-Resource-Group-Inc-200159270595719/?modal=admin_todo_tour
Pinterest - https://www.pinterest.com/trunorthtechnologyresourcegrou/pins/
Twitter - https://twitter.com/TNTRGInc
Instagram - https://www.instagram.com/trunorthtech/

3. On Features page I want the features to be just in 2 lines 3 columns so its centered . Right now its is 3 lines 2 columns and its not centered its on the right side

I want this 3 changes done.