@media (max-width: 991px){
    .middle_product, .hr_line {
        display: none !important;
    }
}

.hr_line{
    border-top: 2px dotted #8c8b8b;
}
.middle_product {
    transition: .5s ease;
    opacity: 0;
    position: absolute;
    top: 53%;
    left: 50%;
    transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%)
}



.container:hover .middle_product {
    opacity: 1;
}

.textx {
    white-space: nowrap;
    background-color: #4CAF50;
    color: white;
    font-size: 14px;
    padding: 14px 90px;
}