#stacks_in_4 {
	padding:  20px;
}
#stacks_in_33_float {
	float:left;
	width:33%;
}
#stacks_in_33 {
	padding:  20px;
}
#stacks_in_6_float {
	float:left;
	width:33%;
}
#stacks_in_6 {
	padding:  20px;
}