#imagelightbox-nav-sink {
    display: flex;
    justify-content: center;
}
#imagelightbox-nav {
    border-radius: 20px;
    animation: fade-in .25s linear;

    background-color: rgba(0, 0, 0, .5);
    bottom: 60px;
    padding: 5px 2px 1px;
    position: fixed;
    z-index: 10001;

    a {
        border-radius: 50%;
        border: 1px solid #fff;
        display: inline-block;
        height: 20px;
        margin: 0 5px;
        width: 20px;
    }

    .active {
        background-color: #fff;
    }
}

@media only screen and (max-width: 660px) {
    #imagelightbox-nav {
        bottom: 20px;
    }
}

@keyframes fade-in {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}