html, body{
	background-color:rgb(0,0,0);
	overflow:hidden;
	margin:0px;
	width:100%;
	height:100%;
	-webkit-user-select: none;  /* Chrome all / Safari all */
  -moz-user-select: none;     /* Firefox all */
  -ms-user-select: none;      /* IE 10+ */
  -o-user-select: none;
  user-select: none;  
}
canvas{
	display:block;
	margin:auto;
}