#container-demo {
	width: 50vh;
}

#container-demo ul {
	padding: 0;
	margin: 0;
	display: flex;
	flex-wrap: wrap;
}

#container-demo li {
	width: 50px;
	height: 50px;
	list-style: none;
	margin: 0 5px 5px 0;
	cursor: pointer;
	border: 2px solid #999;
}

#container-demo li.ui-selected {
	border-color: rgba(219, 10, 91, 1);
	background-color:  rgba(219, 10, 91, 1);
	color: #fff;	
}

#container-demo li.ui-selecting {
	border-color: rgba(219, 10, 91, 1);
	color: #fff;	
}