@charset "utf-8";

body {
	margin: 0;
	padding: 0;
}
.back {
	position: fixed;
	bottom: 10px;
	right: 10px;
}

#content {
	max-width: 90%;
	max-height: 90%;
	text-align: center;
}

#control {
	position: fixed;
	bottom: 0;
	left: 0;
	z-index: 10000;
}