*{box-sizing: border-box;-webkit-tap-highlight-color:transparent;}
::-webkit-scrollbar{display:none;}
body{position:fixed;width:100%;height:100%;margin:0;padding:0;overflow:hidden;}
canvas{
    overflow: hidden;
    display: block;
	margin:0 auto;
}
.canvas_wrapper{
	position:relative;
	width:100%;
	height:auto;
	display:block;
	overflow: hidden;
}