scss/jquery.lightbox.scss
.lightbox {
    cursor: pointer;
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: black;
    /* IE Fallback (Solid Colour) */
    background: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAIElEQVQ4T2NkYGDYDMRkA8ZRAxhGw4BhNAyA+WAYpAMAIFgLQfO9BoEAAAAASUVORK5CYII=);
    background: rgba(0, 0, 0, 0.7);
    -webkit-filter: none !important;
    z-index: 9997;
}

.lightbox img {
    display: block;
    position: absolute;
    border: 5px solid #fff;
    box-shadow: 0 0 20px #000;
    border-radius: 1px;
}

body.blurred > * {
    -webkit-filter: blur(2px);
    -webkit-transform: translate3d(0, 0, 0);
}

.lightbox__loading {
    background: url(loading.gif) center center no-repeat;
    width: 32px;
    height: 32px;
    margin: -16px 0 0 -16px;
    position: absolute;
    top: 50%;
    left: 50%;
}

.lightbox__caption {
    display: none;
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    text-align: center;
    z-index: 9998;
    background: #000;
    background: rgba(0, 0, 0, 0.7);
}

.lightbox__caption p {
    margin: 0 auto;
    max-width: 70%;
    display: inline-block;
    *display: inline;
    *zoom: 1;
    padding: 10px;
    color: #fff;
    font-size: 12px;
    line-height: 18px;
}

.lightbox__button {
    position: absolute;
    z-index: 9999;
    background: no-repeat center center;
    width: 32px;
    height: 32px;
    opacity: 0.4;
    -webkit-transition: all 0.3s;
    -moz-transition: all 0.3s;
    -ms-transition: all 0.3s;
    transition: all 0.3s;
}

.lightbox__button:hover,
.lightbox__button:focus {
    opacity: 1;
    -webkit-transform: scale(1.4);
    -moz-transform: scale(1.4);
    -ms-transform: scale(1.4);
    transform: scale(1.4);
}

.lightbox__close {
    right: 10px;
    top: 10px;
    background-image: url("close.png");
}

.lightbox__nav {
    top: 50%;
    margin-top: -16px;
}

.lightbox__nav--next {
    right: 10px;
    background-image: url("next.png");
}

.lightbox__nav--prev {
    left: 10px;
    background-image: url("previous.png");
}