#loading-screen,
#maintenance-screen {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
}

#loading-screen {
    display: flex;
    align-items: center;
    justify-content: center;
}

#maintenance-screen {
    display: none;
    align-items: center;
    justify-content: center;
}

#app-frame {
    display: none;
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}