.container{
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;}

.gallery-wrap {
    pointer-events: all;
    display: flex;
    flex-direction: row;
    width: 93vmin;
    height: 70vmin;
}

.item {
    background-position: center;
    background-size: cover;
    background-repeat: none;
    height: 100%;
    flex: 1;
    box-sizing: border-box;
    border: 1px solid white;
    box-shadow: inset 0 0 50px rgba(0, 0, 0, 0.5);
    transition-duration: 1s;
    transition-timing-function: ease;
    transition-property: flex;
    cursor: zoom-in;
}

.item:hover{
    flex: 15;
    box-shadow: none;
}