body { margin: 0; overscroll-behavior: none; background-color: black}
.loader { margin: 0px;   position: absolute; top: 50%; left: 50% }	
.controls {	margin: 8px; position: absolute; }	
.pans { margin: 8px; position: absolute; }
.pans {bottom: 0px; right:0px; left:0px; height: 10%; display: flex; justify-content: center}
.pan_a {display: flex; padding: 5px;}