html, body {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

/* The app above, one small line below it (the Android download, when there is one) */
body {
    display: flex;
    flex-direction: column;
}

#app {
    flex: 1;
    min-height: 0;
    position: relative;
}

/* In the middle, below the app once it draws */
#spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

#android {
    font: 12px system-ui, sans-serif;
    padding: 2px 8px;
    text-align: center;
    color: #555;
    background: #f4f4f4;
}

#android[hidden] {
    display: none;
}

@media (prefers-color-scheme: dark) {
    #android {
        color: #bbb;
        background: #222;
    }
    #android a {
        color: #9cf;
    }
}