#wublord {
	background-image: url(images_small/wublord.jpg);
	background-position: center;
}
#battle {
	background-image: url(images_small/tutorialBattle.jpg);
	background-position: center;
}
#zk_terraform{
	background-image: url(images_small/zk_terraform.jpg);
	padding-top: 40%; 
}
#zk_linemove{
	background-image: url(images_small/zk_linemove.jpg);
	padding-top: 50%; 
}