.lightbox-nav {position: relative;margin-bottom: 12px; /* the font-size of .btn-xs */text-align: center;font-size: 0; /* prevent the otherwise inherited font-size and line-height from adding extra space to the bottom of this div */}.lightbox-nav .btn-group {vertical-align: top;}.lightbox-nav .close {/* absolutely position this in order to center the nav buttons */position: absolute;top: 0;right: 0;}.lightbox-image-container {position: relative;text-align: center; /* center the image */}/* the caption overlays the top left corner of the image */.lightbox-image-caption {position: absolute;top: 0;left: 0;margin: 0.5em 0.9em; /* the left and right margins are offset by 0.4em for the span box-shadow */color: #000;font-size: 1.5em;font-weight: bold;text-align: left;text-shadow: 0.1em 0.1em 0.2em rgba(255, 255, 255, 0.5);}.lightbox-image-caption span {padding-top: 0.1em;padding-bottom: 0.1em;background-color: rgba(255, 255, 255, 0.75);/* pad the left and right of each line of text */box-shadow: 0.4em 0 0 rgba(255, 255, 255, 0.75),  -0.4em 0 0 rgba(255, 255, 255, 0.75);}