.popup-image {
    position: absolute;
    margin-top: -20px;
    margin-left: 5px;
}

.product-list .popup-image {
    bottom: 10px;
}

.popup-image a .fa {
    font-size: 20px;
    opacity: 0.8;
}

.popup-image a .fa:hover {
    opacity: 1;
}