body{
    width:700px;
    background-color:black;
    color:#eee;
    font-family:arial,verdana,sans-serif;
    margin:auto;
	border:10px solid blue;
    padding:20px;
	border-radius:12px;
}
nav ul{
	display: flex;
	padding: 10px;
	justify-content: center;
	list-style-type: none;
}
nav li{
	display: table-cell;
	width: 200px;
	padding: 5px;
}