ACC SHELL

/* IMAGE LIGHTBOX SELECTOR */
#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, .75 ); /* 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( 255, 255, 255, .9 );
    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;
    }
}