Revert "fix Navigator of Mobile version and remove club of sidebar."

This reverts commit da74e8e2b5048a6590305e300248924bbde3f8f9.
Revert "fix Navigator of Mobile version and remove club of sidebar."

This reverts commit da74e8e2b5048a6590305e300248924bbde3f8f9.
Revert "fix Navigator of Mobile version and remove club of sidebar again.

This reverts commit da74e8e2b5048a6590305e300248924bbde3f8f9.

Conflicts:
	static/css/event/attack-on-web.less
Revert "fix Navigator of Mobile version and remove club of sidebar."

This reverts commit da74e8e2b5048a6590305e300248924bbde3f8f9.

Conflicts:
	static/css/event/attack-on-web.less