.ov-h {
    overflow: hidden!important;
}
.mask {
    position: fixed;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    text-align: center;
    background: rgba(0, 0, 0, .5);
    overflow: auto;
    z-index: 1000001;
}

    .mask-fade-enter-active {
        animation: mask-fade-in .3s
    }

    .mask-fade-leave-active {
        animation: mask-fade-out .3s
    }

    @keyframes mask-fade-in {
        0% {
            transform: translate3d(0, -20px, 0);
            opacity: 0
        }

        to {
            transform: translateZ(0);
            opacity: 1
        }
    }

    @keyframes mask-fade-out {
        0% {
            transform: translateZ(0);
            opacity: 1
        }

        to {
            transform: translate3d(0, -20px, 0);
            opacity: 0
        }
    }