.video-bg{
    position:relative;
    overflow: hidden;
    margin-top:-18px;
    height:500px;
    z-index:0;
}
.video-bg:before{
    content: "";
    background-image: url(../img/video-bg.png);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}
.video{
    width: 100%;
    min-width: 100%;
    min-height: 100%;
    position: absolute;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    
}

.video-image{
    display: none !important;
}

@media screen and (max-width: 500px) {
    .video{
        display: none !important;
    }
    .video-bg{
        display: none !important;
    }

    .video-image{
        display: block !important;
    }
}