* { -webkit-tap-highlight-color: transparent !important; } a:focus, button:focus, input:focus, textarea:focus { outline: none !important; }  @media screen and (orientation: landscape) and (max-width: 900px) { body::before { content: "Please rotate your device to portrait mode."; position: fixed; inset: 0; background: #111; color: #fff; z-index: 999999; display: flex; align-items: center; justify-content: center; font-size: 20px; font-weight: bold; text-align: center; padding: 20px; } }