.stacks_left {
	float:left;
}

.stacks_row {
	overflow:hidden;
	margin:0 auto;
}
#stacks_in_4 .stacks_left {
	width:200px;
}

#stacks_in_4 .stacks_row {
	width:600px;
}
.stacks_left {
	float:left;
}

.stacks_row {
	overflow:hidden;
	margin:0 auto;
}
#stacks_in_27 .stacks_left {
	width:200px;
}

#stacks_in_27 .stacks_row {
	width:600px;
}
.stacks_left {
	float:left;
}

.stacks_row {
	overflow:hidden;
	margin:0 auto;
}
#stacks_in_43 .stacks_left {
	width:200px;
}

#stacks_in_43 .stacks_row {
	width:600px;
}