body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: #f4f4f4;
    color: #333;
}

header {
    text-align: center;
    padding: 20px 0;
    border-bottom: 2px solid #007bff;
}

header h1 {
    margin: 0;
    color: #007bff;
}

header p {
    color: #555;
}

main {
    margin: 20px 0;
}

article {
    background: #fff;
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

article h2 {
    color: #d9534f;
}

article h3 {
    color: #333;
    margin-top: 20px;
}

article p {
    margin: 10px 0;
}

article ul {
    list-style-type: disc;
    margin-left: 20px;
}

article a {
    color: #007bff;
    text-decoration: none;
}

article a:hover {
    text-decoration: underline;
}

footer {
    text-align: center;
    padding: 10px 0;
    color: #777;
    border-top: 1px solid #ddd;
}