.memoBoard, #demo {
	width: 550px;
	height: 350px;
	padding: 0px 15px;
}
.memoBoard p {
	float: left;
	width: 64px;
	height: 64px;
	background: #1c1e2a url(./img/null.jpg) no-repeat;
	box-shadow: 3px 3px 3px #4D5557;
	-moz-box-shadow: 3px 3px 3px #4D5557;
	-webkit-box-shadow: 3px 3px 3px #4D5557;
	margin: 2px;
	cursor: pointer;
}
.memoBoard p img {
	width: 64px;
	height: 64px;
}