.nav-container {
	display: flex;
	flex-direction: column;
	flex-wrap: wrap;
	justify-content: center;
	align-items: center;
	background-color: Grey;
}

.nav-container div {
	background-color: NavyBlue;
	width: 100px;
	margin: 10px;
	padding: 10px;
	text-align: center;  
	font-size: 30px;
}

.number-container {
	display: flex;
	flex-direction: column;
	flex-wrap: wrap;
	justify-content: center;
	align-items: center;
	background-color: DodgerBlue;
}

.number-container div {
	background-color: #f1f1f1;
	width: 100px;
	margin: 10px;
	padding: 10px;
	text-align: center;
	font-size: 20px;
}