.background-video,
.background-image {
    width: 100%;
    height: 100%;
    position: absolute;
    z-index: 1;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    top: 0;
    left: 0;
    transition: opacity 1s ease-in-out;
    margin: 0;
    padding: 0;
    outline: none;
    border: none;
    object-fit: cover;
}

.background-video {
    object-fit: cover;
    z-index: 2;
}

.background-video.active {
    opacity: 1;
}

.background-video.inactive {
    opacity: 0;
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 3;
}