body, html {
	margin: 0;
	padding: 0;
	font-size: 18px;
	font-family:  Arial, sans-serif;
	background-color: #777777;
}

*, *:before, *:after {
  box-sizing: border-box;
}

.container {
	background-image:  url('/ootori.jpg');
	background-repeat:  no-repeat;
	background-position:  center;
	background-size: auto 120vh;

	width:  100%;
	height:  100%;
	max-width: 3555px;
	max-height: 1920px;
	min-width: 300px;

	transition:  background-size 0.1s ease;
}

audio {
	position: absolute;
	top: 20px;
	left:  20px;
}