.portfolio-item .image { position: relative; margin-bottom:20px; float:left; width:100%; background:#fff;}
.portfolio-item .image .caption, .portfolio-item .slideshow .caption { z-index:1000; color: #000; padding: 8px 15px; text-align: center; position: absolute; bottom: 0px; left: 0px; right: 0px; background:#fff; opacity:0.7; }
.portfolio-item .slideshow { margin-bottom:20px; background: #fff; }
.portfolio-item .slideshow .next {
    color: #000;
}
.portfolio-item .slideshow .previous {
    color: #000;
}