.blueimp-gallery-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: #555;
  color: #fff;
}

.blueimp-gallery-overlay.padding {
  padding: 20px;  
}

.blueimp-gallery-overlay h3 {
  color: #fff;
  font-size: 26px;
  line-height: 30px;
  margin: 0;
}

.blueimp-gallery-overlay .caption {
  font-size: 20px;
  line-height: 24px;
  font-weight: 600;
}

.blueimp-gallery-overlay .credit {
  font-size: 16px;
  line-height: 20px;
  font-weight: 400;
  font-style: italic;
}