.img-opacity {
    -webkit-mask-composite: destination-in;
        -webkit-mask-image: linear-gradient(to bottom, transparent 0%, black 20%, black 50%, transparent 100%), linear-gradient(to right, transparent 0%, black 40%, black 60%, transparent 100%);
        mask-image: linear-gradient(to bottom, transparent 0%, black 20%, black 50%, transparent 100%), linear-gradient(to right, transparent 0%, black 40%, black 60%, transparent 100%);
        -webkit-mask-composite: source-in, xor;
        mask-composite: intersect;
        -webkit-mask-size: 100% 100%;
        mask-size: 100% 100%%;
        -webkit-mask-repeat: no-repeat;
        mask-repeat: no-repeat;
}

.uc-index {
    z-index: 99999!important;
}