body {
    background-color: #f8f9fa;
}

.card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

.card-header {
    border-radius: 10px 10px 0 0;
}

.btn-primary {
    background-color: #007bff;
    border: none;
}

.btn-primary:hover {
    background-color: #0056b3;
}

.btn-success {
    background-color: #28a745;
    border: none;
}

.btn-success:hover {
    background-color: #218838;
}

h1 {
    color: #333;
    font-weight: bold;
}

.lead {
    color: #666;
}