*{margin:0;padding:0;box-sizing:border-box}body{width:100vw;height:100vh;overflow:hidden;background:#fff;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica Neue,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;cursor:grab}body:active{cursor:grabbing}#canvas{display:block;width:100%;height:100%}#download-strip,#download-background{display:none}