.poptrox-popup {
  background: none !important;
  position: relative !important;
}

.poptrox-popup .caption {
  bottom: 60px !important;
  color: white !important;
  font-size: 1em;
  overflow: hidden;
  line-height: 24px !important;
  padding: 10px;
  text-shadow: 1px 1px 2px rgb(0, 0, 0), 0 0 1.5em rgb(0, 0, 0), 0 0 0.2em rgb(0, 0, 0);
}

.poptrox-overlay {
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(5px);
}