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

#stacks_in_4 {
	background-color: rgba(255, 255, 255, 1.00);
	margin: 20px 150px 10px 150px;
	padding:  10px;
}

#stacks_in_6 {
	background-color: rgba(16, 128, 128, 1.00);
	margin: 10px 50px 0px 50px;
	padding: 10px 100px 10px 100px;
}

#stacks_in_8 {
	background-color: rgba(255, 255, 255, 1.00);
	margin: 20px 150px 10px 150px;
	padding:  10px;
}