body{
	text-align: center;
	font-family: arial;
	font-size: 18px
}

li{
	list-style: none;
	line-height: 2em;
	text-align: left;
}

.header{
	background: #f4f4f4;
	border-bottom: #ccc 3px solid;
	padding: 20px;
}

.container{
	width: 700px;
	margin: 30px auto;
}