body{min-width:100vw;padding:0;margin:0;min-height:90vh;background-color:#000}#canvas{max-height:98vh;display:block;margin:0 auto;border:1px solid #ccc}.cursor_default{cursor:default}.cursor_pointer{cursor:pointer}.cursor_grab{cursor:grab;cursor:-webkit-grab;cursor:-moz-grab}.cursor_grabbing{cursor:grabbing;cursor:-webkit-grabbing;cursor:-moz-grabbing}