/* video */
.video{
    display: block;
    width: 100%;
    height: 100vh;
    /*background: url(../img/kv-alternative.jpg) no-repeat center/cover;*/
    position: absolute;
    top: 0;
    left: 0;
    overflow: hidden;
    z-index: -1;
}
.video::after{
    content: '';
    width: 100%;
    height: 100%;
    display: block;
    background-color: #fff;
    opacity: .1;
    position: absolute;
    left: 0;
    top: 0;
}
.video2{
    display: none;
}
@media screen and (max-width: 798px) {
    .video{
        display: none;
    }
    .video2{
        display: block;
        width: 100%;
        height: 100vh;
        /*background: url(../img/kv-alternative.jpg) no-repeat center/cover;*/
        position: absolute;
        top: 0;
        left: 0;
        overflow: hidden;
        z-index: -1;
    }
    .video2::after{
        content: '';
        width: 100%;
        height: 100%;
        display: block;
        background-color: #fff;
        opacity: .1;
        position: absolute;
        left: 0;
        top: 0;
    }
}
.video video{
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translateX(-50%) translateY(-50%);
}
.video2 video{
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translateX(-50%) translateY(-50%);
}