/* Make caption overlay */.caption {
  position: absolute !important;
  top: 50% !important;
  left: 50% !important;
  transform: translate(-50%, -50%) !important;
  color: white !important;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.7) !important;
  font-size: 28px !important;
  text-align: center !important;
}