body { margin:0px; padding:0px; overflow:hidden;}
*:focus {outline: none; }

canvas:hover { cursor: crosshair;}

#guides { position:fixed; z-index:1000;}

#commander { display:none; z-index: 2000; }
#commander.visible { display:block; }
#commander.hidden { display:none; }
#commander input { background:black; padding:15px; position:fixed; bottom:0; color:white; left:0; border:0; width:calc(100vw); font-family:courier; cursor:pointer; display:block;}