html,body{margin:0;width:100%;min-height:100%;overflow-x:hidden;background-color:#000}#gameRoot{position:relative;width:100vw;height:100vh;height:100dvh;overflow:hidden}canvas{display:block;position:absolute;inset:0;width:100%;height:100%;transform:none;touch-action:none}#bgCanvas{z-index:0}#gameCanvas{z-index:1}