.invoice-details {
    margin: 20px 0;
    padding: 20px;
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 4px;
}

.invoice-details h2 {
    margin-top: 0;
    color: #333;
    font-size: 1.2em;
}

.invoice-details table {
    width: 100%;
    border-collapse: collapse;
}

.invoice-details td {
    padding: 8px 0;
    border-bottom: 1px solid #eee;
}

.invoice-details td:first-child {
    font-weight: 600;
    width: 40%;
}