#stacks_in_2 {
	background-color: rgba(16, 128, 128, 1.00);
}

#stacks_in_4 {
	background-color: rgba(255, 255, 255, 1.00);
	margin: 10px 135px 20px 135px;
	padding: 20px 10px 10px 10px;
}

#stacks_in_6 {
	background-color: rgba(16, 128, 128, 1.00);
	margin: 0px 0px 10px 0px;
	padding:  10px;
}

#stacks_in_8 {
	background-color: rgba(255, 255, 255, 1.00);
	margin: 10px 135px 20px 135px;
	padding: 20px 10px 10px 10px;
}