.amazon-gallery{
    position:relative;
}

.amazon-overlay{

    position:absolute;

    inset:0;

    display:flex;

    justify-content:center;

    align-items:center;

    opacity:0;

    transition:.3s;

    background:rgba(0,0,0,.18);

    cursor:pointer;

    z-index:20;

}

.amazon-gallery:hover .amazon-overlay{

    opacity:1;

}

.amazon-overlay span{

    background:#FF5500;

    color:#fff;

    padding:14px 24px;

    border-radius:8px;

    font-weight:700;

    font-size:18px;

    box-shadow:0 10px 25px rgba(0,0,0,.25);

}