body {
    background-color: #f8f9fa;
    font-family: Arial, sans-serif;
}

.jumbotron {
    padding: 2rem;
    border-radius: 20px;
    background-color: white;
    box-shadow: 0 4px 6px 0 hsla(0, 0%, 0%, 0.2);
}

#quiz-section {
    margin-top: 1rem;
    padding: 2rem;
    border-radius: 20px;
    background-color: white;
    box-shadow: 0 4px 6px 0 hsla(0, 0%, 0%, 0.2);
}

#quiz-section div {
    margin-bottom: 1rem;
}