html,
body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    overflow: hidden; /* The app scrolls inside the frame, not the page */
}

iframe {
    display: block; /* Removes the gap under inline iframes */
    width: 100%;
    height: 100%;
    border: 0;
}

.noscript-message {
    position: fixed;
    inset: 0;
    margin: 0;
    padding: 2rem;
    background: #ffffff;
    color: #1f1f1f;
    font-family: "Segoe UI", system-ui, sans-serif;
    font-size: 1rem;
}