body {
	background-color: #bce8bf;
}

.centered-flexbox {
	position: fixed;
	left: 0;
	top: 0;
	width: 100%;
	height: 100%;
	padding: 0;
	margin: 0;
	display: flex;
	align-items: center;
	justify-content: center;
}

.big-text {
	font-size: 15em;
	font-family: sans-serif;
}

input {
	border: none;
	display: inline;
	font-family: inherit;
	font-size: inherit;
	background-color: inherit;
	text-align: center;
	padding: none;
	width: 2em;
}

input:focus {
	outline: none;
}

input[type=number]::-webkit-inner-spin-button {
	-webkit-appearance: none;
}

span {
	padding: 0.1em;
}

span.icon {
	position: relative;
	top: 0.1em;
}