Revert 572a832..2967dec

This rolls back to commit 572a83211e43107f79b104c545eecdc62fd7b067.
Aligned navbar.
Fixed position of Introduction
Merge branch 'Attempt-to-align-navbar'
Successful navbar and introduction alignment

This reverts commit 6a899c070be12722fb4d626c50cabc5e79fa8b3a.

Conflicts:
	index.html