body {
    font-family: Arial, sans-serif;
    margin: 2rem;
    padding: 2rem;
    background-color: #f5f5f5;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background-color: white;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

h1 {
    color: #333;
    margin-bottom: 30px;
}

.content p {
    font-size: 18px;
    line-height: 1.6;
    color: #555;
}

/* Navigation */
.nav-links {
    margin-bottom: 30px;
    text-align: center;
}

.nav-links a {
    display: inline-block;
    padding: 10px 20px;
    margin: 0 10px;
    text-decoration: none;
    color: #333;
    border: 2px solid #ddd;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.nav-links a:hover {
    background-color: #333;
    color: white;
    border-color: #333;
}

.nav-links a.active {
    background-color: #333;
    color: white;
    border-color: #333;
}

/* Additional heading styles */
h2, h3, h4 {
    color: #333;
    margin-top: 30px;
    margin-bottom: 15px;
}

h2 { font-size: 24px; }
h3 { font-size: 20px; }
h4 { font-size: 18px; }