*{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;
}
.textarea{
	position:absolute;
	top: 320px;
    left: 384px;
    width: 272px;
    height: 40px;
    border: 0;
	resize:none;
    background: none;
	display:none;
	overflow:hidden;
}