Revert "config base url"

This reverts commit 7fee171c818a2170257147e4578bc60a3fe37e77.
Revert "Revert "add baseurl to css path""

This reverts commit 294d9b839395acca2be02ed4ff6f945e62d458c2.
Revert "Revert "add base url to post link""

This reverts commit f6a0d47e68a94d2e7e4bcfe2d29164ab08312b99.