#stacks_in_4 {
	margin:  8px;
	padding:  8px;
}

#stacks_in_12 {
	margin:  8px;
	padding:  8px;
}

#stacks_in_16 {
	margin:  8px;
	padding:  8px;
}

#stacks_in_20 {
	margin:  8px;
	padding:  8px;
}

#stacks_in_24 {
	margin:  8px;
	padding:  8px;
}