.portfolio-item {
    position: relative;
}

.portfolio-item-overlay-inner {
    display: none;
}

.kl-ptf-catlist-details {
    display: -webkit-box;
        display: -ms-flexbox;
            display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    padding: 40px;
    background: rgba(0, 0, 0, 0.63);
    text-align: center;
    color: rgba(255, 255, 255, 0.8);
    transition: opacity 0.3s;
}

.portfolio-item:hover .kl-ptf-catlist-details {
    opacity: 1;
}

.kl-ptf-catlist-title a,
.kl-ptf-catlist-title a:hover {
    color: #fff;
}