#main_title{
	width: 500px;
	margin: 0 auto;
	border: 1px solid black;
	text-align: center;
}

#board{
	/*border: 1px solid black;*/
	width: 450px;
	height: 450px;
	margin: 20px auto;
	display: flex;
	flex-wrap: wrap;
}

#digits{
	/*border*/: 1px solid black;
	width: 500px;
	height: 50px;
	margin: 20px auto;
	display: flex;
	flex-wrap: wrap;
}

.numberPick{
	border: 1px solid black;
	width: 44px;
	height: 45px;
	margin: 2px;
	align-items: center;
	display: flex;
	justify-content: center;
}

.selectedNumberPick{
	border: 1px solid black;
	background: gray ;

	color: white;
	width: 44px;
	height: 45px;
	margin: 2px;
	align-items: center;
	display: flex;
	justify-content: center;
}

.numberBoard{
	border: 1px solid gray;
	width: 48px;
	height: 48px;
	align-items: center;
	display: flex;
	justify-content: center;
}

#buttons{
	display: flex;
	justify-content: center;
	margin: 0 auto;
}

#reset-button, #solve-button{
	margin:  2px;
}