:root {
	--font-size: 32px;
}

body {
	display: flex;
	flex-direction: column;
	align-items: center;
}

.flex {
	display: flex;
	gap: 10px;
	flex-direction: column;

	margin: 10%;
}

.row button{
	width: 100px;
	height: 100px;
	background-color: #ddd;
	border-radius: 10px;
	padding: 12px;
	border: 1px grey solid;
	flex: auto;
	font-size: var(--font-size);

	&:active {
		background: #dde;
		border: none;
	}
}

.row {
	display: flex;
	gap: 10px;
	justify-content: center;
}

.screen input {
	margin-bottom: 20px;
	border: 2px black solid;
	width: 100%;
	border-radius: 10px;
	padding: 16px;
	font-size: 32px;
}

.screen input {
	outline: none;
}