#stacks_in_2 {
	margin: 0px 0px 10px 0px;
}
.stacks_in_9{height:500px}@media screen and (min-width:40em){.stacks_in_9{height:500px}}@media screen and (min-width:64em){.stacks_in_9{height:500px}}

#stacks_in_10 {
	margin: 10px 0px 0px 0px;
}