html, body {
	box-sizing: border-box;
	margin: 0;
	padding: 10px;
	background: #ffffff;
	width: 100%;
	height: 100%;
	display: -webkit-box;
	display: -webkit-flex;
	display: -moz-box;
	display: -ms-flexbox;
	display: flex;
	-webkit-flex-align: center;
	-ms-flex-align: center;
	-webkit-align-items: center;
	align-items: center;
	justify-content: center;
}

img {
	max-width: 100%;
}