html { height: 100vh; }
body{
	height:100vh;
	width:100vw;
	overflow:hidden;
}
body { position: fixed; height: 100%; }
body, body * {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
	font-family:Arial;
}
body ol,ol,
body li{
	margin-left:16px;
}