*{padding:0;margin:0;box-sizing:border-box}html,body,#app{height:100%;width:100%;overflow:hidden;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}:is(html,body,#app) img{-webkit-user-drag:none;-moz-user-drag:none;-ms-user-drag:none;user-drag:none}