Add div with class clear b4 nav section for positioning
Add background color to nav element
Add nav position properties; add margin-top space to 'my-content' class
Change navigation elements from <li>'s to <a>'s
Add styles to 'nav a' elements
Change text color of 'nav a' elements from #afad94 to #d5c18b
Add margin properties to 'nav a' elements
Move 'nav' section outside of 'my-content' div to allow for centering
Add 'text-align: center' to 'nav' element for positioning
Add classes first and last to their respective <a> elements in the 'nav' section
Add 'nav .first' and 'nav .last' properties to remove margin from the left and right, respectively, for better centering