video.css~

/*

video#bgvid { 
    position: fixed;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: 100hv;
    z-index: -100;
    -ms-transform: translateX(-50%) translateY(-50%);
    -moz-transform: translateX(-50%) translateY(-50%);
    -webkit-transform: translateX(-50%) translateY(-50%);
    transform: translateX(-50%) translateY(-50%);
    background: url(http://unsplash.it/2560/1707?image=961) no-repeat;
    background-size: cover; 
}
*/

#vigo {

}

video#bgvid { 
    z-index: -100;
    position:absolute;
    height: auto;
    width: 100%;
    margin:0% auto;
    padding:0%;
    margin-top:-5%;
    background-position:fixed;
}





@media screen and (max-device-width: 800px) {
    .container-fluid {
         background: url(https://unsplash.it/2560/1707?image=961) #000 no-repeat center center fixed;
    }
    #bgvid {
        display: none;
    }
}

video#bgvid {
    transition: 1s opacity;
}
.stopfade { opacity: .5; }