#stacks_in_2 {
	padding:  2px;
}

#stacks_in_9 {
	padding:  2px;
}

#stacks_in_12 {
	padding:  2px;
}

#stacks_in_15 {
	padding:  1px;
}

#stacks_in_18 {
	padding:  2px;
}

#stacks_in_21 {
	padding:  2px;
}