.active {
    border-bottom: 2px solid rgb(0, 15, 43);
}

.main-section {
    padding-top: 50px;
}

.gallery {
    padding-bottom: 50px;
}

.carousel-caption{
    opacity: 75%;
    text-shadow: 1px 2px 2px black;
    font-size: 20px;
}

.gallery-item:hover .carousel-caption{
    opacity: 100%;
}