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

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

            -webkit-box-shadow: 0 0 3.125em rgba( 0, 0, 0, .75 ); /* 50 */
            box-shadow: 0 0 3.125em rgba( 0, 0, 0, .9 ); /* 50 */
        }


        /* 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: #fff;
            background-color: rgba( 0, 0, 0, .8 );
            position: fixed;
            z-index: 9998;
            top: 0;
            right: 0;
            bottom: 0;
            left: 0;
        }


        /* "CLOSE" BUTTON */

        #imagelightbox-close
        {
            width: 2.5em; /* 40 */
            height: 2.5em; /* 40 */
            text-align: left;
            background-color: #666;
            border-radius: 50%;
            position: fixed;
            z-index: 10002;
            top: 2.5em; /* 40 */
            right: 2.5em; /* 40 */

            -webkit-transition: color .3s ease;
            transition: color .3s ease;
        }
            #imagelightbox-close:hover,
            #imagelightbox-close:focus
            {
                background-color: #111;
            }
            #imagelightbox-close:before,
            #imagelightbox-close:after
            {
                width: 2px;
                background-color: #fff;
                content: '';
                position: absolute;
                top: 20%;
                bottom: 20%;
                left: 50%;
                margin-left: -1px;
            }
            #imagelightbox-close:before
            {
                -webkit-transform: rotate( 45deg );
                -ms-transform: rotate( 45deg );
                transform: rotate( 45deg );
            }
            #imagelightbox-close:after
            {
                -webkit-transform: rotate( -45deg );
                -ms-transform: rotate( -45deg );
                transform: rotate( -45deg );
            }


        /* CAPTION */

        #imagelightbox-caption
        {
            text-align: center;
            color: #fff;
            background-color: #666;
            position: fixed;
            z-index: 10001;
            left: 0;
            right: 0;
            bottom: 0;
            padding: 0.625em; /* 10 */
        }


        /* NAVIGATION */

        #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: 0.313em; /* 5 */

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


        /* ARROWS */

        .imagelightbox-arrow
        {
            width: 3.75em; /* 60 */
            height: 7.5em; /* 120 */
            background-color: #444;
            background-color: rgba( 0, 0, 0, .5 );
            vertical-align: middle;
            display: none;
            position: fixed;
            z-index: 10001;
            top: 50%;
            margin-top: -3.75em; /* 60 */
        }
        .imagelightbox-arrow:hover,
        .imagelightbox-arrow:focus
        {
            background-color: #666;
            background-color: rgba( 0, 0, 0, .75 );
        }
        .imagelightbox-arrow:active
        {
            background-color: #111;
        }
            .imagelightbox-arrow-left
            {
                left: 2.5em; /* 40 */
            }
            .imagelightbox-arrow-right
            {
                right: 2.5em; /* 40 */
            }
            .imagelightbox-arrow:before
            {
                width: 0;
                height: 0;
                border: 1em solid transparent;
                content: '';
                display: inline-block;
                margin-bottom: -0.125em; /* 2 */
            }
                .imagelightbox-arrow-left:before
                {
                    border-left: none;
                    border-right-color: #fff;
                    margin-left: -0.313em; /* 5 */
                }
                .imagelightbox-arrow-right:before
                {
                    border-right: none;
                    border-left-color: #fff;
                    margin-right: -0.313em; /* 5 */
                }

        #imagelightbox-loading,
        #imagelightbox-overlay,
        #imagelightbox-close,
        #imagelightbox-caption,
        #imagelightbox-nav,
        .imagelightbox-arrow
        {
            -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 */
        {
            #container
            {
                width: 100%;
            }
            #imagelightbox-close
            {
                top: 1.25em; /* 20 */
                right: 1.25em; /* 20 */
            }
            #imagelightbox-nav
            {
                bottom: 1.25em; /* 20 */
            }

            .imagelightbox-arrow
            {
                width: 2.5em; /* 40 */
                height: 3.75em; /* 60 */
                margin-top: -2.75em; /* 30 */
            }
            .imagelightbox-arrow-left
            {
                left: 1.25em; /* 20 */
            }
            .imagelightbox-arrow-right
            {
                right: 1.25em; /* 20 */
            }
        }

 @media only screen and (max-width: 20em) /* 320 */
        {
            .imagelightbox-arrow-left
            {
                left: 0;
            }
            .imagelightbox-arrow-right
            {
                right: 0;
            }
        }