.lightbox-nav {
  position:relative;
  margin-bottom:12px;
  height:22px;
  text-align:center;
  font-size:0;
}

.lightbox-nav .btn-group {
  vertical-align:top;
}

.lightbox-nav .close {
  position:absolute;
  top:0;
  right:0;
}

.lightbox-image-container {
  position:relative;
  text-align:center;
}

.lightbox-image-caption {
  position:absolute;
  top:0;
  left:0;
  margin:0.5em 0.9em;
  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);
  box-shadow:0.4em 0 0 rgba(255, 255, 255, 0.75),
    -0.4em 0 0 rgba(255, 255, 255, 0.75);
}