Cleaned up HTML files
Edited footer.html and .css

removed padding, increased li size
added meta tags
Added social media icons to footer
Added media queries for footer nag
Tweak footer grid
Adjustments to header html and css

rearranged layout
added media queries
Changed nav li in footer
Changed colour of grid border
Centered text of product details
Footer: added meta tags, rearranged html content
Rearranged header html content, added grid