.line {
	clear: both;
	text-align: center;
	width: 920px;
}

.cell {
	border: 1px dotted #ccc;
	margin: 2px;
	width: 300px;
	height: 250px;
	text-align: center;
	vertical-align: middle;
	font: 12px normal 'Trebuchet MS';
}

.cell img {
	border: 2px solid #fff;
}

.draggable {
	position: relative; 
	cursor: move;
}

.hover {
	background-color: #ccc;
}