*,
*::after,
*::before {
	box-sizing: border-box;
}

body {
	margin: 0;
	font-family: Arial, Helvetica, sans-serif;
}

main {
	display: flex;
	flex-direction: column;
	align-items: center;
	margin: 2rem;
}

header {
	font-size: 2rem;
	font-weight: 900;
	margin-bottom: 1rem;
}

.inputs {
	display: block;
	margin-bottom: 1rem;
}

table {
	border-collapse: collapse;
	margin-bottom: 1rem;
}

table th,
table td {
	border: solid 2px black;
	text-align: center;
	padding: 0.25rem 0.5rem;
}

button.runTestBtn {
	font-size: 2rem;
	background-color: lightblue;
	border-radius: 0.5rem;
}