.fade-out {
    animation: fadeOut 1s forwards;
}

@keyframes fadeOut {
    to {
        opacity: 0;
        visibility: hidden;
    }
}

:fullscreen #videoContainer,
#videoContainer:fullscreen {
    width: 100vw;
    height: 100vh;
    max-width: none;
    aspect-ratio: unset;
    border-radius: 0;
}

:fullscreen video,
#videoContainer:fullscreen video {
    height: 100%;
    width: 100%;
    object-fit: cover;
}