body {
    background-color: #f8f9fa;
}

.card-header h3 {
    margin-bottom: 0;
    font-size: 1.25rem;
}

pre {
    background-color: #e9ecef;
    padding: 1rem;
    border-radius: 0.25rem;
    white-space: pre-wrap;
    word-wrap: break-word;
}