.gallery-bw img {
    filter: gray; /* IE6-9 */
    -webkit-filter: grayscale(1); /* Google Chrome, Safari 6+ & Opera 15+ */
    -webkit-box-shadow: 0px 2px 6px 2px rgba(0,0,0,0.75);
    -moz-box-shadow: 0px 2px 6px 2px rgba(0,0,0,0.75);
    box-shadow: 0px 2px 6px 2px rgba(0,0,0,0.75);
    margin-bottom:20px;
}

.gallery-bw img:hover {
    filter: none; /* IE6-9 */
    -webkit-filter: grayscale(0); /* Google Chrome, Safari 6+ & Opera 15+ */
}

.gallery-thumbnail {
    position:relative;
    overflow:hidden;
    margin:5px;
}

.gallery-thumbnail img {
    margin:0;
    width:100%;
}



.gallery-thumbnail .gallery-caption {
    position:absolute;
    top:0;
    right:0;
    background:rgba(66, 139, 202, 0.75);
    width:100%;
    height:100%;
    padding:2%;
    display: none;
    text-align:center;
    color:#fff !important;
    z-index:2;
}