body{
	overscroll-behavior-y: none;
	user-select: none;
	position: relative;
	width: 100vw;
	height: 100vh;
}

#player{
	width:100vw;
	height:100vh;
}	

#view{
	width:100vw;
	height:100vh;
}

#shutter{
	width:3em;
	height:3em;
	border-radius:1.5em;
	background:#990000;
	position:absolute;
	right:3em;
	top:calc(50vh - 1.5em);
}