*{margin:0;padding:0;box-sizing:border-box}body{margin:0;padding:0;overflow:hidden}img{-webkit-user-drag:none;-khtml-user-drag:none;-moz-user-drag:none;-o-user-drag:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;pointer-events:none}