body {
    font-family: Arial, sans-serif;
}

header.jumbotron {
    background: url('https://via.placeholder.com/1500x500') no-repeat center center;
    background-size: cover;
    color: white;
}

    header.jumbotron .btn-primary {
        background-color: #007bff;
        border-color: #007bff;
    }

        header.jumbotron .btn-primary:hover {
            background-color: #0056b3;
            border-color: #004085;
        }

section.container {
    margin-top: 2rem;
}

    section.container .col-md-4 {
        margin-bottom: 2rem;
    }

footer.bg-light {
    background-color: #f8f9fa !important;
}

.carousel-inner img {
    width: 100%;
    height: 500px;
}

.carousel-caption h5 {
    font-size: 2rem;
    font-weight: bold;
}

.carousel-caption p {
    font-size: 1.2rem;
}

.navbar-dark .navbar-nav .nav-link {
    color: white;
}

    .navbar-dark .navbar-nav .nav-link:hover {
        color: #ddd;
    }

footer.bg-primary {
    background-color: #007bff !important;
}