Revert "move background to html"

This reverts commit 15523ca4e21b5fca5a93a9c92a459f14062f9372.

Conflicts:
	css/pack.css
	css/stylesheet.css
Revert "update normalize.css"

This reverts commit e0dd21ffc0de1e46cd65b7332250b3c6a6458676.

Conflicts:
	css/pack.css