* {
	box-sizing: border-box;
}
body {
	padding: 0;
	margin: 0;
	font-size: 18px;
	background-color: #ffffff;
}
div.main {
	display: flex;
	justify-content: center;
	align-items: center;
	flex-direction: column;
	width: 100vw;
	height: 100vh;
	padding: 20px;
}
div img {
	max-width: 750px;
	width: 100%;
}