Revert "Updated frontpage link to point to Overview page. Made the images into links."
Revert "Updated frontpage link to point to Overview page. Made the images into links."

This reverts commit 9b1ea6543d8ce7fb9502145542364d82cb807cdb.

Clarify/clarify.github.io,Clarify/clarify.github.io,Clarify/clarify.github.io