.sound-toggle {
    position: absolute;
    left: 30px;
    bottom: 30px;
    z-index: 4;
    padding: 10px 18px;
    border: 0;
    background: #fff;
    color: #111;
    cursor: pointer;
}


#section-video-bg{
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    padding: 0;
    margin: 0;
}

.video-bg{
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: translate(-50%, -50%);
}

@media (max-width: 768px) {
    .video-bg{
        object-fit: contain;
        background: #000;
    }

    #section-video-bg{
    position: relative;
    width: 100%;
    height: 40vh;
    overflow: hidden;
    padding: 0;
    margin: 0;
}
}

@media (max-width: 768px) {
    .sound-toggle {
        left: 15px;
        bottom: 15px;
        padding: 8px 12px;
        font-size: 12px;
        border-radius: 5px;
    }
}