.stacks_left {
	float:left;
}

.stacks_row {
	overflow:hidden;
	margin:0 auto;
}
#stacks_in_2_page1 .stacks_left {
	width:456px;
}

#stacks_in_2_page1 .stacks_row {
	width:912px;
}
#stacks_in_7_page1 {
	margin:  20px;
}

#stacks_in_15_page1 {
	margin:  20px;
}

#stacks_in_13_page1 {
	margin:  20px;
}

#stacks_in_17_page1 {
	margin:  20px;
}