body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f5f5f5;
}

.container {
    max-width: 800px;
    margin: 40px auto;
    padding: 20px;
}

h1 {
    color: #2c3e50;
    text-align: center;
    border-bottom: 2px solid #3498db;
    padding-bottom: 10px;
}

.nav-links {
    list-style: none;
    padding: 0;
}

.nav-links li {
    margin: 15px 0;
}

.nav-links a {
    display: block;
    padding: 15px 20px;
    background-color: #3498db;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.nav-links a:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}