#stacks_in_313_page1 {
	margin: 0px 0px 40px 0px;
}

#stacks_in_315_page1 .stacks_left {
	float:left;
	width:50%;
}

#stacks_in_315_page1 .stacks_right {
	float:right;
	width:50%;
}
#stacks_in_315_page1 {
	margin: 0px 0px 40px 0px;
}

#stacks_in_318_page1 {
	margin: 0px 0px 40px 0px;
}