Revert "Add disable/enable side bar event"

This reverts commit b087569b8758675d68f1bda8583fab3545b22d78.
Revert "Separate CSS classes"

This reverts commit f71b4196a19b764ad33bb7949fb79b99786e9867.
Revert "Add include header configuration"

This reverts commit 90939c06a262479dc29c606b1d9b8e1f1e7b3758.