body {
    font-family: Arial, sans-serif;
    background-color: #f6f9fc;
    color: #333;
    padding: 20px;
}

nav {
    margin-bottom: 20px;
}

.container {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 0 10px rgba(0,0,0,0.05);
}