body{margin:0;padding:0;width:100%;height:100%;background-color:#000}#rotate-device-overlay{position:absolute;width:100%;height:100%;z-index:9998;top:0;left:0}.rotate-device-image{background:#000 url('../img/rotate_device.png') no-repeat center center;background-size:25%}#gameContainer{background-color:#000;position:fixed;overflow:hidden;left:50%;top:50%}canvas{position:absolute}#renderCanvas{width:100%;height:100%;touch-action:none}