.online_details_slider_block {
    background-image: linear-gradient(rgba(20, 19, 19, 0.718), rgba(20, 19, 19, 0.718)), url(../img/online-products/online-bg.png);
    background-color: #3B3B3B;
    background-size: cover;
    color:white;
    text-align: center;
}
.product-category-card-btn {
    text-transform: uppercase;
    display: block;
    width:fit-content;
    margin: auto;
}