html { overflow: hidden; }
html > body {
	background-color: #fff;
	position: relative;
}
html > body > main {
	margin-left: auto;
	margin-right: auto;
	max-height: 100vh;
	max-width: 100vw;
	text-align: center;
	width: 100vw;
}
html > body > main > div {
	margin: 0;
	padding: 0;
}
html > body, html > body > main > div {
	height: 100vh;
	width: 100vw;
}
html > body > main > div > picture > img {
	display: block;
	height: 100vh;
	object-fit: contain;
	position: absolute;
	top: 0;
	width: 100vw;
}