.stacks_left {
	float:left;
}

.stacks_row {
	overflow:hidden;
	margin:0 auto;
}
#stacks_in_2 .stacks_left {
	width:564px;
}

#stacks_in_2 .stacks_row {
	width:564px;
}
#stacks_in_7 {
	padding: 0px 7px 0px 0px;
}

#stacks_in_15 {
	padding: 0px 7px 0px 0px;
}