.slider-content .infoBlock {
    visibility: hidden;
}

@media (min-width: 728px) {
    .slider-content .infoBlock {
        visibility: visible;
        top: auto;
        left: auto;
        right: 0;
        bottom: 12px;
        padding: 12px 20px;
        background-color: #2d2f31;
        color: #ffffff;
        opacity: 0;
        transition: opacity ease-in-out .4s;
    }

    .slider-content .rsSlide:hover .infoBlock {
        opacity: 1;
    }
}