#header img {
      width: 60px;
    }
    
    #main .carousel-inner img {
        max-height: 90vh;
        object-fit: cover;
        filter: grayscale(30%);
      }
      #carousel {
        position: relative;
      }
      
      #carousel .overlay {
        position: absolute;
        top: 0;
        bottom: 0;
        left: 0;
        right: 0;
        background-color: rgba(0, 0, 0, 0.5);
        color: white;
      }
      
      #carousel .overlay .container,
      #carousel .overlay .row {
        height: 100%;
      }