html {
	font-size:62.5%;
}
body {
	font-family:sans-serif;
	font-size:1.6rem;
	margin:0 auto;
}
[data-marker] {
	position:absolute;
	top:0;
	left:0;
	width:100mm;
	height:100mm;
	opacity:0.87;
}
[data-marker]:not([data-markerid]) {
	display:none;
}