*:focus,
input:enabled:focus-visible:where([type=submit]) {
	outline: 4px #000000 solid;
	/* outline-offset: 20; */
	box-shadow: 0 0 0 8px #ffffff;
}

.button,
h1,
h2 {
	display: block;
	margin-right: auto;
	margin-left: auto;
	text-align: center;
}

nav ul {
	list-style: none;
	padding: 0;
	display: flex;
	flex-direction: row;
	justify-content: space-evenly;
}