html,body{margin:0;padding:0;width:100%;height:100%;overflow:hidden;background:#05060f;}
body{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;
-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent;touch-action:none;}
canvas{display:block;width:100%;height:100%;cursor:pointer;touch-action:none;}