.stacks_column_left {
	float:left;
}

.stacks_column_right {
	float:right;
}

.stacks_column_4 {
	width:23%;
	margin: 0 1%;
}
.stacks_column_left {
	float:left;
}

.stacks_column_right {
	float:right;
}

.stacks_column_4 {
	width:23%;
	margin: 0 1%;
}
#stacks_in_155_page4 {
	margin:  2px;
	padding:  5px;
}

#stacks_in_161_page4 {
	margin:  2px;
	padding:  5px;
}

#stacks_in_168_page4 {
	margin:  2px;
	padding:  5px;
}