.carousel-caption {
 position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  bottom: 0;
  background: rgba(0, 0, 0, .6);
  display: flex;
  align-items: center;
}

.carousel-inner {
    position: relative;
}

.carousel-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5); /* Ajusta la opacidad aquí */
}