Revert "Header styles"

This reverts commit 8dfee0047118aa68488999a22c61c6144af9a4ca.
Revert "Header changes."

This reverts commit e2f104d4961d2afb5329f78334486b8b1668de30.
Revert "Header height."

This reverts commit 698db1775e04df4568e1e161db9f3f6c128f3bd3.
Revert "Header height."

This reverts commit b1fa62d2a7657d56b9228baad23cd9188716c21b.
Revert "Footer margin bottom."

This reverts commit f7eed9810383f9bc6797e691f325c8d53564ba1f.
Commit.