.sli-container {
    width: 100%;
    max-width: 1000px;
    overflow: hidden;
    margin: 0 auto;
}

.slid {
    display: flex;
    /*width: 600%;*/


    transition: transform 0.5s ease-in-out;
}

.sliding {
    display: flex;
    flex-wrap:wrap;
    min-width: 30%; /* Display 4 images at a time */
    box-sizing: border-box;
    /*padding: 10px;*/
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin: 16px;
}

    .sliding img {
        width: 100%;
        height: auto;
        object-fit: cover;
    }

.caption {
    margin:2px 0 0 0;
    color: #002147;
    font-size: 18px;
    font-weight: 600;
}


.card {
    background-color: white;
    text-align: center;
}


.image-wrapper {
    position: relative;
    width: 100%;
    height: 217px;
    overflow: hidden;
}

    .image-wrapper img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: opacity 0.3s ease;
    }

    .image-wrapper:hover {
        background-color: dimgrey; 
    }

        .image-wrapper:hover img {
            opacity: 0.4; 
        }

    .image-wrapper .course-label {
        position: absolute;
        left: 0.5px;
        background-color: #FDC800;
        color: white;
        padding: 0px 15px;
        font-size: 12px;
        font-weight: bold;
        z-index: 10;
    }
@media only screen and (max-width: 767px) {
    .sliding {
        min-width: 90%; 
    }

    .sli-container {
        max-width: 90%; 
    }
}