html{--bgColor: black;--blend: difference}html,body{margin:0;padding:0;overflow:hidden;background:var(--bgColor)}body{width:100vw;height:100vh;overflow:hidden;display:flex;justify-content:center;align-items:center}*{-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}canvas{width:100vmin;height:100vmin;mix-blend-mode:var(--blend)}