.imageGallery{
    display: grid;
    grid-template-columns: repeat(3, auto);
    grid-gap: 1em;
}

.imageBlock{
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.imageBlock img{
    width: 100%;
     cursor: -moz-zoom-in; 
    cursor: -webkit-zoom-in;
    cursor: zoom-in;
}

.imageBlocker{
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    position: fixed;
    display: flex;
    justify-content: center;
}

.imageBlocker img{
    height: 100%;
    cursor: zoom-out;
}