img {
    max-width: 100%;
    height: auto;
}
        section {
            padding: 60px 0;
            min-height: 100vh;
        }
#carousel-thumb .carousel-item:before {
   content: "";
   position: absolute;
   z-index: 999;
   height: 100%;
   width: 100%;
   left: 0;
   top: 0;
}
#carousel-thumb .carousel-indicators li {
    width: 100px;
}

#carousel-thumb .carousel-indicators {
    bottom: 40px;
}

#carousel-thumb .carousel-indicators li img {
    border: 2px solid #e2e2e2;
}