.mt-bs4 {
    margin-bottom: 2.5em;
}
.mt-bs4 .carousel-caption,
.mt-bs4 .carousel-caption p {
    font-size:24px;
}
.mt-bs4 .carousel-caption h3 {
    font-size:36px;
    padding-bottom:30px;
    font-weight: bold;
}