body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
}

header {
    background-color: #4a6fa5;
    color: #fff;
    padding: 1.5rem 0;
    text-align: center;
}

header h1 {
    margin: 0;
    font-family: 'Lora', serif;
    font-size: 2.5rem;
}

main {
    width: 80%;
    max-width: 960px;
    margin: 2rem auto;
    padding: 2rem;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    border-radius: 8px;
}

section {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #ddd;
}

section:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

h2 {
    font-family: 'Lora', serif;
    color: #4a6fa5;
    font-size: 2rem;
    margin-top: 0;
}

p {
    margin-bottom: 1rem;
}

/* Keyword highlighting */
b, strong {
    font-weight: 700;
    color: #c55a11; /* A distinct accent color */
}

i, em {
    font-style: italic;
    color: #5b9bd5; /* Another accent color */
}

footer {
    text-align: center;
    padding: 1rem 0;
    margin-top: 2rem;
    font-size: 0.9rem;
    color: #777;
}

@media (max-width: 768px) {
    main {
        width: 95%;
        padding: 1.5rem;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }
}