html {
	width: 100%;
	height: 100%;
	margin: 0;
	padding: 0;
	position: fixed;
	top: 0;
	left: 0;
}

body {
	width: 100%;
	height: 100%;
	margin: 0;
	padding: 0;
	position: fixed;
	top: 0;
	left: 0;
	overflow: hidden;

	background-image: url('../img/bg.png');
	background-repeat: no-repeat;
	background-position: center center;
	background-attachment: fixed;
	background-size: contain;
	background-color: black;
}