html,body{margin:0;padding:0}body{width:100vw;height:100vh;overflow:hidden;display:flex;flex-direction:row;justify-content:center;align-items:center;background-color:#000}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}