* {
    text-align: center;
}

.video-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
}

iframe {
    width: 80%;
    height: 500px;
    border: 2px solid #007bff;
    border-radius: 10px;
}

#bh {
    background-color: yellow;
}