#certificate {
    height: auto;
    overflow: hidden;
    position: relative;
}

#certificate *{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

#certificate .certificate-container {
    /* position: absolute;
    top: 50%;
    left: 50%; */
    position: relative;
    transform-origin: center;
    width: 70%;
    padding: 28px 8px;
    display: flex;
    justify-content: center;
    margin-left: 140px;
}

.certificate-container-indicator {
    position: absolute;
    top: -8px;
    left: 0;
    min-width: 5px;
    height: 5px;
    border-radius: 10px;
    transition: all 1s cubic-bezier(0.075, 0.82, 0.165, 1);
}
    .certificate-container-indicator.dark {
        background: #0aca038e;
        color: rgba(255, 255, 255, 0.795);
    }
    .certificate-container-indicator.light {
        background: #f09c0067;
    }

.certificate-container-gallery {
    display: flex;
    gap: 12px;
    justify-content: space-around;
    width: 100%;
}

.certificate-container-gallery-item {
    display: flex;
    justify-content: center;
    align-items: center;
    flex: 0 1 20px;
    height: 550px;
    margin: 0 5px;
    overflow: hidden;
    transition: flex 1s cubic-bezier(0.075, 0.82, 0.165, 1), opacity 0.4s;

    /* border: 2px rgba(42, 207, 1, 0.342) solid; */
    border-radius: 5px;
    position: relative;
    opacity: 0.9;
}

.certificate-container-gallery.hover .certificate-container-gallery-item{
    opacity: 0.4;
}

.certificate-container-gallery.hover .certificate-container-gallery-item.active{
    opacity: 1;
}

    .certificate-container-gallery.hover.light .certificate-container-gallery-item.active{
        filter: drop-shadow(0 0 14px #ca8d009d);
    }

    .certificate-container-gallery.hover.dark .certificate-container-gallery-item.active{
        filter: drop-shadow(0 0 14px #17c7008f);
    }

.certificate-container-gallery-item img{
    height: 100%;
    width: max(auto, 100%);
    object-fit:contain;
}

@media screen and (max-width: 1100px){
    #certificate .certificate-container {
        margin-left: 0px;
        width: 90%;
    }
}

/* optimize certificate */
@media screen and (max-width: 1400px){
    .hover.certificate-container-gallery {
        gap: 0px;
    }

    .hover.certificate-container-gallery .certificate-container-gallery-item{
        display: none;
    }

    .hover.certificate-container-gallery .certificate-container-gallery-item.active{
        display: flex;
    }
}