body		{
		background-color:#ffffff;
		margin:0;
		overflow:hidden
		}

.viewport{
		width:100vw;
		height:100vh;
		margin:0;
		top:0;
		left:0;
		background-color:#000000ff;
		overflow:hidden;
		visibility:visible;
		position:absolute;
		}
		
#loading{
		font-size:2vh;
		color:#aaaaaa;
		left:45vw;
		top:50vh;
		margin:0;
		z-index:3;
		position:absolute;
		overflow:hidden;
		cursor:pointer;
		}