*{-webkit-user-select:none}body,html{height:100%;padding:0;margin:0;overflow:hidden;background-color:#000}app-main{height:100%;position:fixed;top:50%;left:50%;transform:translate3d(-50%,-50%,0);width:100vh;height:100vh;box-sizing:border-box}@media only screen and (orientation:portrait){app-main{width:100vw;height:100vw}}