.gallery-item {
    cursor: zoom-in;
    position: relative;
    overflow: hidden;
}

.gallery-zoom {
    position: absolute;
    margin: auto;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    font-size: 50px;
    width: 50px;
    height: 50px;
    line-height: 50px;
    color: rgba(255, 255, 255, 0.5);
    z-index: 100;
    
}

.gallery-image {
    height: 100%;
}