html, body {
    height: 100%;
}

#out {
    width: 100vw;
    height: 100vh;
}

#splash {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    font-family: system-ui, sans-serif;
    font-size: 1.2rem;
    color: #666;
}