html,body{margin:0;width:100%;height:100%;overflow:hidden;background:#d4d0c8;font-family:Tahoma,Arial,sans-serif}.app-frame{display:block;position:fixed;inset:0;width:100%;height:100%;border:0}.fallback{position:fixed;right:4px;top:4px;z-index:10;font:10px Tahoma,Arial,sans-serif;color:#000080;text-decoration:underline;background:#d4d0c8;border:1px solid;border-color:white #808080 #808080 white;padding:2px 5px}.fallback:focus-visible{outline:2px dotted navy;outline-offset:2px}