/* IMAGE LIGHTBOX SELECTOR */

#imagelightbox
{
    cursor: pointer;
    position: fixed;
    z-index: 10000;

    -ms-touch-action: none;
    touch-action: none;
}


/* ACTIVITY INDICATION */

#imagelightbox-loading,
#imagelightbox-loading div
{
    border-radius: 50%;
}
#imagelightbox-loading
{
    width: 2.5em; /* 40 */
    height: 2.5em; /* 40 */
    background-color: #444;
    background-color: rgba( 0, 0, 0, .5 );
    position: fixed;
    z-index: 10003;
    top: 50%;
    left: 50%;
    padding: 0.625em; /* 10 */
    margin: -1.25em 0 0 -1.25em; /* 20 */

    -webkit-box-shadow: 0 0 2.5em rgba( 0, 0, 0, .75 ); /* 40 */
    box-shadow: 0 0 2.5em rgba( 0, 0, 0, .75 ); /* 40 */
}
    #imagelightbox-loading div
    {
        width: 1.25em; /* 20 */
        height: 1.25em; /* 20 */
        background-color: #fff;

        -webkit-animation: imagelightbox-loading .5s ease infinite;
        animation: imagelightbox-loading .5s ease infinite;
    }

    @-webkit-keyframes imagelightbox-loading
    {
        from { opacity: .5; -webkit-transform: scale( .75 ); }
        50%  { opacity: 1;  -webkit-transform: scale( 1 ); }
        to   { opacity: .5; -webkit-transform: scale( .75 ); }
    }
    @keyframes imagelightbox-loading
    {
        from { opacity: .5; transform: scale( .75 ); }
        50%  { opacity: 1;  transform: scale( 1 ); }
        to   { opacity: .5; transform: scale( .75 ); }
    }


/* OVERLAY */

#imagelightbox-overlay
{
    background-color: black;
    opacity: 0.8;
    position: fixed;
    z-index: 9998;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
}

/* NAVIGATION */

@media (min-width: 768px) {
#imagelightbox-nav
{
    background-color: #444;
    background-color: rgba( 0, 0, 0, .5 );
    border-radius: 20px;
    position: fixed;
    z-index: 10001;
    left: 50%;
    bottom: 3.75em; /* 60 */
    padding: 0.5em; /* 7 */
    line-height: 0;

    -webkit-transform: translateX( -50% );
    -ms-transform: translateX( -50% );
    transform: translateX( -50% );
}
    #imagelightbox-nav button
    {
        width: 1em; /* 20 */
        height: 1em; /* 20 */
        background-color: transparent;
        border: 1px solid #fff;
        border-radius: 50%;
        display: inline-block;
        margin: 0 0.313em; /* 5 */
        padding: 0;
    }

    #imagelightbox-nav button.active
    {
        background-color: #fff;
    }
}

#imagelightbox-loading,
#imagelightbox-nav
{
    -webkit-animation: fade-in .25s linear;
    animation: fade-in .25s linear;
}
    @-webkit-keyframes fade-in
    {
        from    { opacity: 0; }
        to      { opacity: 1; }
    }
    @keyframes fade-in
    {
        from    { opacity: 0; }
        to      { opacity: 1; }
    }

@media only screen and (max-width: 41.250em) /* 660 */
{
    #imagelightbox-nav 
    {
        bottom: 1.25em; /* 20 */
    }
}