html, body {
  margin: 10px;
  padding: 0;
  background: #000;
  color: #fff;
  font-family: monospace;
  font-size: 20px;
}
canvas {
  display: block;
  margin: 0 auto;
}
html, body {
    margin: 0px!important;
    overflow: hidden!important;
}


html, body {
	width: 100%;
	height: 100%;
  	margin: 0px;
  	padding: 0px;
	display: flex;
	justify-content: center;
	align-items: center;
}

html {
	flex-direction: column;
}

body {
	flex-direction: row;
	overflow: hidden;
    touch-action: none;
	/*background: radial-gradient(#efefef, #000000);*/
	background: black;
}

canvas {
	margin: auto;
	display: block;
}

* {
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  -moz-osx-font-smoothing: grayscale;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
}