All chess pieces with css class names

White		Black
Demo	Class	Demo	Class
	cm-w-pawn		cm-b-pawn
	cm-w-rook		cm-b-rook
	cm-w-bishop		cm-b-bishop
	cm-w-knight		cm-b-knight
	cm-w-queen		cm-b-queen
	cm-w-king		cm-b-king
	cm-w-x		cm-w-dot