html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

.main-content {
    height: calc(100% - 15%);
    width: 100%;
    overflow: hidden;
}

.carousel, .carousel-inner, .carousel-item {
    height: 100%;
}

    .carousel-item img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

.footer {
    width: 100%;
    height: 10%;
    position: absolute;
    bottom: 0;
    left: 0;
    display: flex;
    justify-content: center;
    align-items: center;
}