.uc-catalog-slider {
        background-color: transparent;
        background-image: url(https://i.postimg.cc/YCstKGCq/slider-background.png);
        background-size: 50%;
    }
    .uc-catalog-slider .t923__imgwrapper {
        background: none !important;
    }
    .uc-catalog-slider .t923__content {
        background: none !important;
    }
    
    @media screen and (max-width:960px) {
        .uc-catalog-slider {
            background-size: 70%;
        }
    }
    
    @media screen and (max-width:640px) {
        .uc-catalog-slider {
            background-size: 850%;
        }
    }
    
    @media screen and (max-width:480px) {
        .uc-catalog-slider {
            background-size: 100%;
        }
    }