redoing index
redoing css
updated header
added width
added positioning
increased height
added padding
centered nav
added top margin
increased margin
removed margins
positioned footer
adj header/footer pos
moved footer
adj nav
added nav margin
Revert "added nav margin"

This reverts commit 76a03a76b866879f68f7fc78d808a7cce6cbcaba.
changed nav to table
adj table, added margins
adj header pos