body{
    width:700px;
    background-color:#EEF6F9;
    color:#1F2937;
    font-family:arial,verdana,sans-serif;
    margin:auto;
    border:10px solid #9BCFF2;
    padding:20px;
    border-radius:12px;
}
hr{
    background:#D1E7F5;
}
nav ul{
	display:flex;
	padding:10px;
	justify-content:center;
	list-style-type:none;
}
nav li{
	display:table-cell;
	width:200px;
	padding:5px;
}