html {
	width: 100%;
	height: 100%;
	overflow: hidden;
}

body {
	font-family: Verdana, Geneva, Tahoma, sans-serif;
	font-size: 18px;
}

main {
	width: 100vw;
	height: 100vh;
	display: flex;
	align-items: center;
	justify-content: center;
	text-align: center;
}

main img {
	width: 300px;
	height: auto;
	max-width: 90vw;
}

a {
	color: blue;
}