.dfi-container {
    max-width: 600px;
    margin: 20px auto;
    padding: 20px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    font-family: Arial, sans-serif;
}

.dfi-container h2 {
    margin-bottom: 20px;
    text-align: center;
}

.dfi-section {
    margin-bottom: 15px;
    padding: 10px;
    background: #f0f0f0;
    border-radius: 5px;
}