body {
	background-color: #c0c0c0;
}

#wrap {
	width: 960px;
	margin: 20px auto;
}

#toolbar {
	text-align: center;
}

#list {
	list-style: none;
	padding: 0;
}
#list:after {
	clear: both;
	content: '';
	display: table;
}

li {
	float: left;
	box-sizing: border-box;
	width: 220px;
	margin: 10px;
	
	padding: 10px;
	text-align: center;
	
	background-color: #f6f6f6;
	color: #666;
}
li.completed {
	background-color: #e5f3c2;
	color: #b7b7b7;
}

#list-container {
	margin: 0 -10px;
}