html, body {
    margin: 0;
	width: 100%;
    height: 100%;
	background-color: #111;
	color: white;
}

.main {
	display: flex;
	flex-direction: column;
	gap: 4px;
	justify-content: center;
	align-items: center;
	height: 100%;
}

.button-collection {
	display: flex;
	flex-direction: row;
	gap: 30px;
}

@media (max-width:800px) {
	.button-collection {
		flex-direction: column;
		gap: 20px;
	}
}