body {
    background-color: #f8f9fa;
}

.card {
    border: none;
}

h1 {
    font-size: 2rem;
    font-weight: bold;
    color: #333;
}

h2 {
    font-size: 1.5rem;
    font-weight: bold;
    color: #333;
}

.btn-primary {
    background-color: #007bff;
    border-color: #007bff;
}

.btn-primary:hover {
    background-color: #0056b3;
    border-color: #004085;
}