.bouton-retour {
    position: fixed;
      top: 20px; /* Ajustez la valeur pour régler la distance du haut */
      left: 20px; /* Ajustez la valeur pour régler la distance de la gauche */
      z-index: 9999; /* Assurez-vous que le bouton est au-dessus de tout le contenu */
    }
    .carousel-item {
      height: 50vh; /* Adjust the height as needed */
      min-height: 300px;
      background: no-repeat center center scroll;
      background-size: cover;
      position: relative;
    }
    .carousel-item::before {
      content: "";
      display: block;
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.5); /* Dark overlay with 50% opacity */
    }
    .carousel-caption {
      z-index: 10;
      bottom: 20px;
    }
    .carousel-caption h5, .carousel-caption p {
      color: #fff;
    }
    @media (max-width: 768px) {
      .carousel-caption {
        bottom: 10px;
      }
      .carousel-caption h5 {
        font-size: 1.25rem; /* Smaller text size */
      }
      .carousel-caption p {
        font-size: 1rem; /* Smaller text size */
      }
    }
    @media (max-width: 576px) {
      .carousel-caption {
        bottom: 5px;
        left: 5px;
        right: 5px;
        padding: 5px;
        text-align: left; /* Align text to left */
        background: rgba(0, 0, 0, 0.5); /* Add background to the caption */
        border-radius: 5px;
      }
      .carousel-caption h5 {
        font-size: 1rem; /* Smaller text size */
      }
      .carousel-caption p {
        font-size: 0.875rem; /* Smaller text size */
      }
    }

    
    .arrow {
      position: fixed;
      right: 20px;
      top: 50%;
      transform: translateY(-50%);
      cursor: pointer;
      font-size: 18px;
      z-index: 1000;
      background-color: blue;
      color: white;
      padding: 8px 16px;
      border-radius: 8px;
      opacity: 0.8;
      transition: opacity 0.3s;
  }
  .arrow:hover {
      opacity: 1;
  }
  .modal-dialog {
      max-width: 90%;
      margin: auto;
  }
  .modal-content {
      max-height: 90vh;
      overflow-y: auto;
  }
  .modal-header, .modal-body {
      text-align: center;
  }
  .modal-body {
      padding: 0;
  }
  .pdf-viewer {
      width: 100%;
      height: 100%;
  }