html, body {
	height: 100%;
	margin: 0;
}

audio#background_audio {
	display: none;
}

div#under_construction {
	display: flex;
	justify-content: center;
	align-items: center;
	height: 100vh;
}
div#under_construction img {
    width: 80%;
}
#map {
	background-image: url('/res/map.jpg');
    background-position: center center;
    background-repeat: no-repeat;
	background-size: cover;
}
#map.zoom-1x {
	height: 100%;
	width: 100%;
}
#map.zoom-2x {
    height: 200%;
    width: 200%;
}
div#zoom {
    position: fixed;
    left: 1em;
    top: 1em;
}
div#zoom > div {
    background-position: center center;
	background-repeat: no-repeat;
    background-size:cover;
    width: 4em;
    height: 4em;
    display: inline-block;
}
div#zoom-in {
    background-image: url('/res/zoom-in.png');
}
div#zoom-out {
    background-image: url('/res/zoom-out.png');
}