label{
	text-align:center;
	display:block;
	width:100%;
	margin-bottom:1rem;
	
	input{
		border:none;
		border-radius:1em;
		text-align:center;
		font-size:2rem;
		font-weight:bold;
		width:3em;
	}
}

button#abrir{
	width:auto;
	margin:1rem auto;
	padding:0.5rem;
	font-size:1.2rem;
}