html,body{background-color:#333;justify-content:center;align-items:center;width:100%;height:100%;margin:0;padding:0;display:flex;overflow:hidden}#orientation-warning{color:#fff;z-index:9999;text-align:center;background-color:#111;flex-direction:column;justify-content:center;align-items:center;width:100%;height:100dvh;font-family:Helvetica Neue,Arial,sans-serif;display:none;position:fixed;top:0;left:0}#orientation-warning p{margin:8px 0;line-height:1.4}@media screen and (height<=600px) and (orientation:landscape){#orientation-warning{display:flex}#app{visibility:hidden}}