div.gallery
{
	display:inline-block;
}

div.thumbnail
{
	float:left;
	display:block;
	width:17em;
	height:18em;
}

div.thumbnail img
{
	max-width:15em !important;
	max-height:15em !important;
	-webkit-transition-duration: 0.1s;	
	transition-duration: 0.1s;
}

div.thumbnail > a > figure > img:hover
{
	box-shadow: 0.5em 0.5em 0.5em #999;
}

div.thumbnail > a > figure > img:active
{
	box-shadow: 0.1em 0.1em 0.1em #999;
}