body {
    font-family: 'Times New Roman', Times, serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    color: #333;
    background-color: #f9f9f9;
}

header {
    background: #007acc;
    color: #fff;
    padding: 1rem 0;
    text-align: center;
}

header h1 {
    margin: 0;
}

main {
    max-width: 800px;
    margin: 2rem auto;
    padding: 1rem;
    background: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
}

h4 {
    color: #007acc;
}

ul {
    list-style-type: disc;
    padding-left: 1.5rem;
}

footer {
    text-align: center;
    padding: 1rem;
    background: #f1f1f1;
    border-top: 1px solid #ddd;
}

footer p {
    margin: 0;
    color: #555;
}