html,body{margin:0;padding:0;width:100%;height:100%;overflow:hidden;background:#000;font-family:Arial,Verdana,sans-serif;color:#ccc;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none}
body{display:flex;align-items:center;justify-content:center}
#content{display:none}
#loader{position:absolute;left:50%;top:50%;width:64px;height:64px;margin:-32px 0 0 -32px;border:8px solid rgba(255,255,255,.2);border-left-color:#fff;border-radius:50%;animation:spin 1s linear infinite;z-index:99;text-indent:-9999px}
@keyframes spin{to{transform:rotate(360deg)}}
#orientation{position:fixed;inset:0;display:none;background:#000;z-index:999}
canvas{display:block!important;margin:0!important;max-width:100%;max-height:100%}